
X-Type Thin Section 4-Point Contact Ball Bearings
Inch size thin section four point contact ball bearing (Type X) is a single row ball bearing, it carries loads from radial and axial both directions, it can replace two bearings and can provide different internal preloads and clearances according to customer needs.
X-Type Thin Section Four Point Contact Ball Bearings – NKAA to NKG Series
Key Specifications:
- Dimension Range: 3/16″x 3/16″ (4.762×4.762 mm) to 1″ x 1″ (25.4×25.4 mm)
- Material: 52100 Chrome Steel (Rings/Balls) | Brass/Nylon Cages
- Seal Type: Open Design
- Temperature Range: -30°F to 356°F (-30°C to 180°C)
- Lubrication: Pre-Lubricated
- Load Capacity: Rated for Radial/Axial Loads in Both Directions
- Interchangeable Brands: NTN, KAYDON, INA
Product Features:
Thin-section four-point contact ball bearings enhance friction resistance and operational precision. They address the size and weight limitations of conventional bearings, as well as those of associated shafts and bearing seats. A key distinguishing feature of these bearings is their ability to support both radial and axial loads in either direction. Their extremely thin cross-section enables significant size and weight reduction, making them particularly suitable for light- to medium-duty applications involving slow-speed or intermittent rotational conditions. Notably, a single four-point contact ball bearing often replaces two conventional bearings, simplifying mechanical design. These bearings can also be customized to provide varying internal preloads and clearances to meet specific customer requirements. This customization is achieved by adjusting the ball size relative to the internal gaps between the inner and outer raceways. Even under zero external load, the balls and raceways will exhibit a certain degree of elastic deformation due to inherent contact stresses.
Thin Section Four Point Contact Ball Bearings NKAA Series (3/16″X 3/16″)
X-TYPE–Thin Section Bearings
Seale Type: Open
Series: NKAA
Inner Diameters: 1.000 inch (25.4 mm)-1.750 inch (44.450 mm)
Outer Diameters: 1.375 inch (34.925 mm)- 2.125 inch (53.975 mm)
◆NKAA SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKAA10XP0 | 1.000 | 1.375 | 0.1875 | 1290 | 670 | 3250 | 1650 | 0.012 | KXS010 | KAA10XL0 | CSXAA010-TN |
25.400 | 34.925 | 4.762 | |||||||||
NKAA15XP0 | 1.500 | 1.875 | 0.1875 | 1780 | 800 | 4450 | 2050 | 0.018 | KXS015 | KAA15XL0 | CSXAA015-TN |
38.100 | 47.625 | 4.762 | |||||||||
NKAA17XP0 | 1.750 | 2.125 | 0.1875 | 3100 | 2950 | 5070 | 2220 | 0.020 | KXS017 | KAA17XL0 | CSXAA017-TN |
44.450 | 53.975 | 4.762 |
Thin Section Four Point Contact Ball Bearings NKA Series (1/4″X 1/4″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKA
Inner Diameters: 2.000 inch (25.4 mm)-12.000 inch (304.800 mm)
Outer Diameters: 2.500 inch (63.500 mm)- 12.500 inch (317.500 mm)
◆NKA SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKA020XP0 | 2.000 | 2.500 | 0.25 | 1650 | 1420 | 7600 | 3510 | 0.048 | KXA020 | KA020XP0 | CSXA020 |
50.800 | 63.500 | 6.35 | |||||||||
NKA025XP0 | 2.500 | 3.000 | 0.25 | 3690 | 1600 | 9290 | 4050 | 0.059 | KXA025 | KA025XP0 | CSXA025 |
63.500 | 76.200 | 6.35 | |||||||||
NKA030XP0 | 3.000 | 3.500 | 0.25 | 4400 | 1820 | 10980 | 4490 | 0.068 | KXA030 | KA030XP0 | CSXA030 |
76.200 | 88.900 | 6.35 | |||||||||
NKA035XP0 | 3.500 | 4.000 | 0.25 | 5070 | 2000 | 12670 | 4930 | 0.082 | KXA035 | KA035XP0 | CSXA035 |
88.900 | 101.600 | 6.35 | |||||||||
NKA040XP0 | 4.000 | 4.500 | 0.25 | 5730 | 2130 | 14310 | 5380 | 0.090 | KXA040 | KA040XP0 | CSXA040 |
101.600 | 114.300 | 6.35 | |||||||||
NKA042XP0 | 4.250 | 4.750 | 0.25 | 6090 | 2220 | 15160 | 5600 | 0.095 | KXA042 | KA042XP0 | CSXA042 |
107.950 | 120.650 | 6.35 | |||||||||
NKA045XP0 | 4.500 | 5.000 | 0.25 | 6400 | 2310 | 16000 | 5820 | 0.100 | KXA045 | KA045XP0 | CSXA045 |
114.300 | 127.000 | 6.35 | |||||||||
NKA047XP0 | 4.750 | 5.250 | 0.25 | 6760 | 2400 | 16850 | 6000 | 0.104 | KXA047 | KA047XP0 | CSXA047 |
120.650 | 133.350 | 6.35 | |||||||||
NKA050XP0 | 5.000 | 5.500 | 0.25 | 7070 | 2490 | 17690 | 6220 | 0.109 | KXA050 | KA050XP0 | CSXA050 |
127.000 | 139.700 | 6.35 | |||||||||
NKA055XP0 | 5.500 | 6.000 | 0.25 | 7780 | 2620 | 19380 | 6580 | 0.118 | KXA055 | KA055XP0 | CSXA055 |
139.700 | 152.400 | 6.35 | |||||||||
NKA060XP0 | 6.000 | 6.500 | 0.25 | 8450 | 2800 | 21070 | 6980 | 0.130 | KXA060 | KA060XP0 | CSXA060 |
152.400 | 165.100 | 6.35 | |||||||||
NKA065XP0 | 6.500 | 7.000 | 0.25 | 9110 | 2930 | 22760 | 7330 | 0.140 | KXA065 | KA065XP0 | CSXA065 |
165.100 | 177.800 | 6.35 | |||||||||
NKA070XP0 | 7.000 | 7.500 | 0.25 | 9780 | 3070 | 24450 | 7690 | 0.150 | KXA070 | KA070XP0 | CSXA070 |
177.800 | 190.500 | 6.35 | |||||||||
NKA075XP0 | 7.500 | 8.000 | 0.25 | 10450 | 3200 | 26140 | 8050 | 0.160 | KXA075 | KA075XP0 | CSXA075 |
190.500 | 203.200 | 6.35 | |||||||||
NKA080XP0 | 8.000 | 8.500 | 0.25 | 11110 | 3330 | 27830 | 8400 | 0.172 | KXA080 | KA080XP0 | CSXA080 |
203.200 | 215.900 | 6.35 | |||||||||
NKA090XP0 | 9.000 | 9.500 | 0.25 | 12490 | 3600 | 31200 | 9070 | 0.200 | KXA090 | KA090XP0 | CSXA090 |
228.600 | 241.300 | 6.35 | |||||||||
NKA100XP0 | 10.000 | 10.500 | 0.25 | 13820 | 3870 | 34580 | 9690 | 0.227 | KXA100 | KA100XP0 | CSXA100 |
254.000 | 266.700 | 6.35 | |||||||||
NKA110XP0 | 11.000 | 11.500 | 0.25 | 15160 | 4130 | 37960 | 10310 | 0.236 | KXA110 | KA110XP0 | CSXA110 |
279.400 | 292.100 | 6.35 | |||||||||
NKA120XP0 | 12.000 | 12.500 | 0.25 | 16540 | 4360 | 41340 | 10890 | 0.254 | KXA120 | KA120XP0 | CSXA120 |
304.800 | 317.500 | 6.35 |
Thin Section Four Point Contact Ball Bearings NKB Series (5/16″X 5/16″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKB
Inner Diameters: 2.000 inch (50.8 mm)-20.000 inch (44.45 mm)
Outer Diameters: 2.625 inch (508.000 mm)-20.625 inch (523.875 mm)
◆NKB SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKB020XP0 | 2.000 | 2.625 | 0.3125 | 4130 | 2000 | 10400 | 5020 | 0.073 | KXB020 | KB020XP0 | CSXB020 |
50.800 | 66.675 | 7.9380 | |||||||||
NKB025XP0 | 2.500 | 3.125 | 0.3125 | 5070 | 2310 | 12620 | 5730 | 0.091 | KXB025 | KB025XP0 | CSXB025 |
63.500 | 79.375 | 7.9380 | |||||||||
NKB030XP0 | 3.000 | 3.625 | 0.3125 | 5960 | 2580 | 14890 | 6400 | 0.109 | KXB030 | KB030XP0 | CSXB030 |
76.200 | 92.075 | 7.9380 | |||||||||
NKB035XP0 | 3.500 | 4.125 | 0.3125 | 6850 | 2800 | 17160 | 7070 | 0.125 | KXB035 | KB035XP0 | CSXB035 |
88.900 | 104.775 | 7.9380 | |||||||||
NKB040XP0 | 4.000 | 4.625 | 0.3125 | 7780 | 3070 | 19430 | 7650 | 0.140 | KXB040 | KB040XP0 | CSXB040 |
101.600 | 117.475 | 7.9380 | |||||||||
NKB042XP0 | 4.250 | 4.875 | 0.3125 | 8130 | 3160 | 20310 | 7910 | 0.147 | KXB042 | KB042XP0 | CSXB042 |
107.950 | 123.825 | 7.9380 | |||||||||
NKB045XP0 | 4.500 | 5.125 | 0.3125 | 8670 | 3290 | 21690 | 8220 | 0.160 | KXB045 | KB045XP0 | CSXB045 |
114.300 | 130.175 | 7.9380 | |||||||||
NKB047XP0 | 4.750 | 5.375 | 0.3125 | 9020 | 3380 | 22580 | 8450 | 0.163 | KXB047 | KB047XP0 | CSXB047 |
120.650 | 136.525 | 7.9380 | |||||||||
NKB050XP0 | 5.000 | 5.625 | 0.3125 | 9560 | 3510 | 23910 | 8800 | 0.172 | KXB050 | KB050XP0 | CSXB050 |
127.000 | 142.875 | 7.9380 | |||||||||
NKB055XP0 | 5.500 | 6.125 | 0.3125 | 10490 | 3730 | 26180 | 9340 | 0.186 | KXB055 | KB055XP0 | CSXB055 |
139.700 | 155.575 | 7.9380 | |||||||||
NKB060XP0 | 6.000 | 6.625 | 0.3125 | 11380 | 3960 | 28450 | 9870 | 0.205 | KXB060 | KB060XP0 | CSXB060 |
152.400 | 168.275 | 7.9380 | |||||||||
NKB065XP0 | 6.500 | 7.125 | 0.3125 | 12270 | 4130 | 30720 | 10400 | 0.216 | KXB065 | KB065XP0 | CSXB065 |
165.100 | 180.975 | 7.9380 | |||||||||
NKB070XP0 | 7.000 | 7.625 | 0.3125 | 13200 | 4360 | 32980 | 10890 | 0.232 | KXB070 | KB070XP0 | CSXB070 |
177.800 | 193.675 | 7.9380 | |||||||||
NKB075XP0 | 7.500 | 8.125 | 0.3125 | 14090 | 4530 | 35200 | 11380 | 0.250 | KXB075 | KB075XP0 | CSXB075 |
190.500 | 206.375 | 7.9380 | |||||||||
NKB080XP0 | 8.000 | 8.625 | 0.3125 | 14980 | 4760 | 37470 | 11870 | 0.262 | KXB080 | KB080XP0 | CSXB080 |
203.200 | 219.075 | 7.9380 | |||||||||
NKB090XP0 | 9.000 | 9.625 | 0.3125 | 16800 | 5110 | 42000 | 12800 | 0.300 | KXB090 | KB090XP0 | CSXB090 |
228.600 | 244.475 | 7.9380 | |||||||||
NKB100XP0 | 10.000 | 10.625 | 0.3125 | 18620 | 5470 | 46500 | 13690 | 0.331 | KXB100 | KB100XP0 | CSXB100 |
254.000 | 269.875 | 7.9380 | |||||||||
NKB110XP0 | 11.000 | 11.625 | 0.3125 | 20400 | 5820 | 51030 | 14580 | 0.360 | KXB110 | KB110XP0 | CSXB110 |
279.400 | 295.275 | 7.9380 | |||||||||
NKB120XP0 | 12.000 | 12.625 | 0.3125 | 22230 | 6180 | 55560 | 15420 | 0.390 | KXB120 | KB120XP0 | CSXB120 |
304.800 | 320.675 | 7.9380 | |||||||||
NKB140XP0 | 14.000 | 14.625 | 0.3125 | 25830 | 6800 | 64590 | 17070 | 0.476 | KXB140 | KB140XP0 | CSXB140 |
355.600 | 371.475 | 7.9380 | |||||||||
NKB160XP0 | 16.000 | 16.625 | 0.3125 | 29430 | 7420 | 73610 | 18630 | 0.544 | KXB160 | KB160XP0 | CSXB160 |
406.400 | 422.275 | 7.9380 | |||||||||
NKB180XP0 | 18.000 | 18.625 | 0.3125 | 33070 | 8050 | 82630 | 20090 | 0.612 | KXB180 | KB180XP0 | CSXB180 |
457.200 | 473.075 | 7.9380 | |||||||||
NKB200XP0 | 20.000 | 20.625 | 0.3125 | 36670 | 8620 | 91660 | 21560 | 0.68 | KXB200 | KB200XP0 | CSXB200 |
508.000 | 523.875 | 7.9380 |
Thin Section Four Point Contact Ball Bearings NKC Series (3/8″X 3/8″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKC
Inner Diameters: 4.000 inch (101.600 mm)-20.000 inch (508.000 mm)
Outer Diameters: 4.750 inch (120.650 mm)- 20.750 inch (527.050 mm)
◆NKC SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKC040XP0 | 4.000 | 4.750 | 0.375 | 9340 | 3910 | 23380 | 9820 | 0.204 | KXC040 | KC040XP0 | CSXC040 |
101.600 | 120.650 | 9.525 | |||||||||
NKC042XP0 | 4.250 | 5.000 | 0.375 | 9870 | 4090 | 24710 | 10180 | 0.213 | KXC042 | KC042XP0 | CSXC042 |
107.950 | 127.000 | 9.525 | |||||||||
NKC045XP0 | 4.500 | 5.250 | 0.375 | 10400 | 4220 | 26050 | 10580 | 0.225 | KXC045 | KC045XP0 | CSXC045 |
114.300 | 133.350 | 9.525 | |||||||||
NKC047XP0 | 4.750 | 5.000 | 0.375 | 10940 | 4360 | 27380 | 10940 | 0.235 | KXC047 | KC047XP0 | CSXC047 |
120.650 | 139.700 | 9.525 | |||||||||
NKC050XP0 | 5.000 | 5.750 | 0.375 | 11510 | 4490 | 28720 | 11290 | 0.263 | KXC050 | KC050XP0 | CSXC050 |
127.000 | 146.050 | 9.525 | |||||||||
NKC055XP0 | 5.500 | 6.250 | 0.375 | 12580 | 4800 | 31380 | 11960 | 0.268 | KXC055 | KC055XP0 | CSXC055 |
139.700 | 158.750 | 9.525 | |||||||||
NKC060XP0 | 6.000 | 6.750 | 0.375 | 13650 | 5070 | 34050 | 12620 | 0.295 | KXC060 | KC060XP0 | CSXC060 |
152.400 | 171.450 | 9.525 | |||||||||
NKC065XP0 | 6.500 | 7.250 | 0.375 | 14710 | 5330 | 36760 | 13290 | 0.312 | KXC065 | KC065XP0 | CSXC065 |
165.100 | 184.150 | 9.525 | |||||||||
NKC070XP0 | 7.000 | 7.750 | 0.375 | 15780 | 5560 | 39430 | 13910 | 0.340 | KXC070 | KC070XP0 | CSXC070 |
177.800 | 196.850 | 9.525 | |||||||||
NKC075XP0 | 7.500 | 8.250 | 0.375 | 16850 | 5820 | 42090 | 14540 | 0.360 | KXC075 | KC075XP0 | CSXC075 |
190.500 | 209.550 | 9.525 | |||||||||
NKC080XP0 | 8.000 | 8.750 | 0.375 | 17910 | 6050 | 44760 | 15160 | 0.387 | KXC080 | KC080XP0 | CSXC080 |
203.200 | 222.250 | 9.525 | |||||||||
NKC090XP0 | 9.000 | 9.750 | 0.375 | 20050 | 6530 | 50100 | 16310 | 0.450 | KXC090 | KC090XP0 | CSXC090 |
228.600 | 247.650 | 9.525 | |||||||||
NKC100XP0 | 10.000 | 10.750 | 0.375 | 22180 | 6980 | 55430 | 17470 | 0.481 | KXC100 | KC100XP0 | CSXC100 |
254.000 | 273.050 | 9.525 | |||||||||
NKC110XP0 | 11.000 | 11.750 | 0.375 | 24310 | 7420 | 60810 | 18580 | 0.526 | KXC110 | KC110XP0 | CSXC110 |
279.400 | 298.450 | 9.525 | |||||||||
NKC120XP0 | 12.000 | 12.750 | 0.375 | 26450 | 7870 | 66140 | 19650 | 0.567 | KXC120 | KC120XP0 | CSXC120 |
304.800 | 323.850 | 9.525 | |||||||||
NKC140XP0 | 14.000 | 14.750 | 0.375 | 30720 | 8670 | 76810 | 21740 | 0.689 | KXC140 | KC140XP0 | CSXC140 |
355.600 | 374.650 | 9.525 | |||||||||
NKC160XP0 | 16.000 | 16.750 | 0.375 | 35030 | 9470 | 87520 | 23690 | 0.785 | KXC160 | KC160XP0 | CSXC160 |
406.400 | 425.450 | 9.525 | |||||||||
NKC180XP0 | 18.000 | 18.750 | 0.375 | 39290 | 10220 | 98190 | 25600 | 0.880 | KXC180 | KC180XP0 | CSXC180 |
457.200 | 476.250 | 9.525 | |||||||||
NKC200XP0 | 20.000 | 20.750 | 0.375 | 43560 | 10980 | 108900 | 27430 | 0.980 | KXC200 | KC200XP0 | CSXC200 |
508.000 | 527.050 | 9.525 | |||||||||
NKC250XP0 | 25.000 | 25.750 | 0.375 | 54280 | 17534 | 135745 | 31767 | 1.200 | KXC250 | KC250XP0 | CSXC250 |
635.000 | 654.050 | 9.525 |
Thin Section Four Point Contact Ball Bearings NKD Series (1/2″X 1/2″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKD
Inner Diameters: 4.000 inch (101.600 mm)-20.000 inch (508.000 mm)
Outer Diameters: 5.000 inch (127.000mm)- 21.000 inch (533.400 mm)
◆NKD SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKD040XP0 | 4.000 | 5.000 | 0.5 | 13690 | 6270 | 34230 | 15650 | 0.366 | KXD040 | KD040XP0 | CSXD040 |
101.600 | 127.000 | 12.7 | |||||||||
NKD042XP0 | 4.250 | 5.250 | 0.5 | 14180 | 6400 | 35470 | 16000 | 0.386 | KXD042 | KD042XP0 | CSXD042 |
107.950 | 133.350 | 12.7 | |||||||||
NKD045XP0 | 4.500 | 5.500 | 0.5 | 15200 | 6710 | 38010 | 16760 | 0.405 | KXD045 | KD045XP0 | CSXD045 |
114.300 | 139.700 | 12.7 | |||||||||
NKD047XP0 | 4.750 | 5.750 | 0.5 | 15690 | 6850 | 39290 | 17160 | 0.426 | KXD047 | KD047XP0 | CSXD047 |
120.650 | 146.050 | 12.7 | |||||||||
NKD050XP0 | 5.000 | 6.000 | 0.5 | 16710 | 7160 | 41830 | 17870 | 0.454 | KXD050 | KD050XP0 | CSXD050 |
127.000 | 152.400 | 12.7 | |||||||||
NKD055XP0 | 5.500 | 6.500 | 0.5 | 18230 | 7560 | 45610 | 18940 | 0.485 | KXD055 | KD055XP0 | CSXD055 |
139.700 | 165.100 | 12.7 | |||||||||
NKD060XP0 | 6.000 | 7.000 | 0.5 | 19780 | 8000 | 49430 | 19960 | 0.526 | KXD060 | KD060XP0 | CSXD060 |
152.400 | 177.800 | 12.7 | |||||||||
NKD065XP0 | 6.500 | 7.500 | 0.5 | 21290 | 8400 | 53210 | 20980 | 0.566 | KXD065 | KD065XP0 | CSXD065 |
165.100 | 190.500 | 12.7 | |||||||||
NKD070XP0 | 7.000 | 8.000 | 0.5 | 22800 | 8800 | 57030 | 21960 | 0.606 | KXD070 | KD070XP0 | CSXD070 |
177.800 | 203.200 | 12.7 | |||||||||
NKD075XP0 | 7.500 | 8.500 | 0.5 | 24310 | 9160 | 60810 | 22940 | 0.650 | KXD075 | KD075XP0 | CSXD075 |
190.500 | 215.900 | 12.7 | |||||||||
NKD080XP0 | 8.000 | 9.000 | 0.5 | 25830 | 9560 | 64630 | 23870 | 0.694 | KXD080 | KD080XP0 | CSXD080 |
203.200 | 228.600 | 12.7 | |||||||||
NKD090XP0 | 9.000 | 10.000 | 0.5 | 28900 | 10310 | 72230 | 25740 | 0.780 | KXD090 | KD090XP0 | CSXD090 |
228.600 | 254.000 | 12.7 | |||||||||
NKD100XP0 | 10.000 | 11.000 | 0.5 | 31920 | 10980 | 79830 | 27520 | 0.853 | KXD100 | KD100XP0 | CSXD100 |
254.000 | 279.400 | 12.7 | |||||||||
NKD110XP0 | 11.000 | 12.000 | 0.5 | 34980 | 11690 | 87430 | 29200 | 0.934 | KXD110 | KD110XP0 | CSXD110 |
279.400 | 304.800 | 12.7 | |||||||||
NKD120XP0 | 12.000 | 13.000 | 0.5 | 38010 | 12360 | 95030 | 30890 | 1.020 | KXD120 | KD120XP0 | CSXD120 |
304.800 | 330.200 | 12.7 | |||||||||
NKD140XP0 | 14.000 | 15.000 | 0.5 | 44090 | 13650 | 110240 | 34090 | 1.240 | KXD140 | KD140XP0 | CSXD140 |
355.600 | 381.000 | 12.7 | |||||||||
NKD160XP0 | 16.000 | 17.000 | 0.5 | 50180 | 14890 | 125440 | 37160 | 1.410 | KXD160 | KD160XP0 | CSXD160 |
406.400 | 431.800 | 12.7 | |||||||||
NKD180XP0 | 18.000 | 19.000 | 0.5 | 56230 | 16050 | 140640 | 40140 | 1.580 | KXD180 | KD180XP0 | CSXD180 |
457.200 | 482.600 | 12.7 | |||||||||
NKD200XP0 | 20.000 | 21.000 | 0.5 | 62320 | 17200 | 155840 | 42980 | 1.750 | KXD200 | KD200XP0 | CSXD200 |
508.000 | 533.400 | 12.7 | |||||||||
NKD250XP0 | 25.000 | 26.000 | 0.5 | 77594 | 27740 | 194029 | 49742 | 2.170 | KXD250 | KD250XP0 | CSXD250 |
635.000 | 660.400 | 12.7 |
Thin Section Four Point Contact Ball Bearings NKF Series (3/4″X 3/4″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKF
Inner Diameters: 4.000 inch (101.6 mm)-20.000 inch (508.000 mm)
Outer Diameters: 5.500 inch (139.700 mm)- 21.500 inch (546.100 mm)
◆NKF SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKF040XP0 | 4.000 | 5.500 | 0.75 | 23830 | 12140 | 59560 | 30360 | 0.875 | KXF040 | KF040XP0 | CSXF040 |
101.600 | 139.700 | 19.05 | |||||||||
NKF042XP0 | 4.250 | 5.750 | 0.75 | 25070 | 12580 | 62720 | 31430 | 0.930 | KXF042 | KF042XP0 | CSXF042 |
107.950 | 146.050 | 19.05 | |||||||||
NKF045XP0 | 4.500 | 6.000 | 0.75 | 26360 | 12980 | 65830 | 32450 | 0.975 | KXF045 | KF045XP0 | CSXF045 |
114.300 | 152.400 | 19.05 | |||||||||
NKF047XP0 | 4.750 | 6.250 | 0.75 | 27600 | 13380 | 68990 | 33470 | 1.040 | KXF047 | KF047XP0 | CSXF047 |
120.650 | 158.750 | 19.05 | |||||||||
NKF050XP0 | 5.000 | 6.500 | 0.75 | 28850 | 13780 | 72100 | 34490 | 1.090 | KXF050 | KF050XP0 | CSXF050 |
127.000 | 165.100 | 19.05 | |||||||||
NKF055XP0 | 5.500 | 7.000 | 0.75 | 31340 | 14580 | 78370 | 36450 | 1.180 | KXF055 | KF055XP0 | CSXF055 |
139.700 | 177.800 | 19.05 | |||||||||
NKF060XP0 | 6.000 | 7.500 | 0.75 | 33870 | 15340 | 84680 | 38360 | 1.240 | KXF060 | KF060XP0 | CSXF060 |
152.400 | 190.500 | 19.05 | |||||||||
NKF065XP0 | 6.500 | 8.000 | 0.75 | 36360 | 16090 | 90950 | 40230 | 1.350 | KXF065 | KF065XP0 | CSXF065 |
165.100 | 203.200 | 19.05 | |||||||||
NKF070XP0 | 7.000 | 8.500 | 0.75 | 38890 | 16850 | 97210 | 42050 | 1.450 | KXF070 | KF070XP0 | CSXF070 |
177.800 | 215.900 | 19.05 | |||||||||
NKF075XP0 | 7.500 | 9.000 | 0.75 | 41380 | 17560 | 103480 | 43870 | 1.560 | KXF075 | KF075XP0 | CSXF075 |
190.500 | 228.600 | 19.05 | |||||||||
NKF080XP0 | 8.000 | 9.500 | 0.75 | 43920 | 18230 | 109750 | 45610 | 1.660 | KXF080 | KF080XP0 | CSXF080 |
203.200 | 241.300 | 19.05 | |||||||||
NKF090XP0 | 9.000 | 10.500 | 0.75 | 48900 | 19600 | 122280 | 49030 | 1.810 | KXF090 | KF090XP0 | CSXF090 |
228.600 | 266.700 | 19.05 | |||||||||
NKF100XP0 | 10.000 | 11.500 | 0.75 | 53920 | 20940 | 134820 | 52320 | 2.020 | KXF100 | KF100XP0 | CSXF100 |
254.000 | 292.100 | 19.05 | |||||||||
NKF110XP0 | 11.000 | 12.500 | 0.75 | 58940 | 22230 | 147350 | 55520 | 2.180 | KXF110 | KF110XP0 | CSXF110 |
279.400 | 317.500 | 19.05 | |||||||||
NKF120XP0 | 12.000 | 13.500 | 0.75 | 63960 | 23470 | 159890 | 58630 | 2.380 | KXF120 | KF120XP0 | CSXF120 |
304.800 | 342.900 | 19.05 | |||||||||
NKF140XP0 | 14.000 | 15.500 | 0.75 | 74010 | 25830 | 185000 | 64590 | 2.720 | KXF140 | KF140XP0 | CSXF140 |
355.600 | 393.700 | 19.05 | |||||||||
NKF160XP0 | 16.000 | 17.500 | 0.75 | 84010 | 28140 | 210070 | 70320 | 3.220 | KXF160 | KF160XP0 | CSXF160 |
406.400 | 444.500 | 19.05 | |||||||||
NKF180XP0 | 18.000 | 19.500 | 0.75 | 94060 | 30320 | 235140 | 75830 | 3.580 | KXF180 | KF180XP0 | CSXF180 |
457.200 | 495.300 | 19.05 | |||||||||
NKF200XP0 | 20.000 | 21.500 | 0.75 | 104100 | 32450 | 260260 | 81120 | 4.040 | KXF200 | KF200XP0 | CSXF200 |
508.000 | 546.100 | 19.05 |
Thin Section Four Point Contact Ball Bearings NKG Series (1″X 1″)
X-TYPE–Thin Section Bearings
Seals Type: Open
Series: NKG
Inner Diameters: 4.000 inch (101.6 mm)-35.000 inch (889.000 mm)
Outer Diameters: 6.000 inch (152.400 mm)- 37.000 inch (939.800 mm)
◆NKG SERIES | |||||||||||
Part No | Dimension(inch/mm) | Basic Cap(N) | Weight | Interchange | |||||||
d | D | H | Cor | Cr | Coa | Ca | Kg | NTN | KAYDON | INA | |
NKG040XP0 | 4.000 | 6.000 | 1.00 | 36490 | 20000 | 91210 | 50050 | 1.650 | KXG040 | KG040XP0 | CSXG040 |
101.600 | 152.400 | 25.40 | |||||||||
NKG042XP0 | 4.250 | 6.250 | 1.00 | 36490 | 20000 | 91210 | 50050 | 1.750 | KXG042 | KG042XP0 | CSXG042 |
107.950 | 158.750 | 25.40 | |||||||||
NKG045XP0 | 4.500 | 6.500 | 1.00 | 38940 | 20900 | 97300 | 52230 | 1.810 | KXG045 | KG045XP0 | CSXG045 |
114.300 | 165.100 | 25.40 | |||||||||
NKG047XP0 | 4.750 | 6.750 | 1.00 | 41340 | 21740 | 103390 | 54360 | 1.910 | KXG047 | KG047XP0 | CSXG047 |
120.650 | 171.450 | 25.40 | |||||||||
NKG050XP0 | 5.000 | 7.000 | 1.00 | 43780 | 22580 | 109440 | 56500 | 2.020 | KXG050 | KG050XP0 | CSXG050 |
127.000 | 177.800 | 25.40 | |||||||||
NKG055XP0 | 5.500 | 7.500 | 1.00 | 46230 | 23430 | 115530 | 58590 | 2.170 | KXG055 | KG055XP0 | CSXG055 |
139.700 | 190.500 | 25.40 | |||||||||
NKG060XP0 | 6.000 | 8.000 | 1.00 | 51070 | 25030 | 127710 | 62630 | 2.310 | KXG060 | KG060XP0 | CSXG060 |
152.400 | 203.200 | 25.40 | |||||||||
NKG065XP0 | 6.500 | 8.500 | 1.00 | 53520 | 25830 | 133800 | 64590 | 2.470 | KXG065 | KG065XP0 | CSXG065 |
165.100 | 215.900 | 25.40 | |||||||||
NKG070XP0 | 7.000 | 9.000 | 1.00 | 58360 | 27380 | 145930 | 68450 | 2.670 | KXG070 | KG070XP0 | CSXG070 |
177.800 | 228.600 | 25.40 | |||||||||
NKG075XP0 | 7.500 | 9.500 | 1.00 | 60810 | 28140 | 152020 | 70320 | 2.830 | KXG075 | KG075XP0 | CSXG075 |
190.500 | 241.300 | 25.40 | |||||||||
NKG080XP0 | 8.000 | 10.000 | 1.00 | 65650 | 29600 | 164200 | 74010 | 3.000 | KXG080 | KG080XP0 | CSXG080 |
203.200 | 254.000 | 25.40 | |||||||||
NKG090XP0 | 9.000 | 11.000 | 1.00 | 72990 | 31780 | 182420 | 79430 | 3.300 | KXG090 | KG090XP0 | CSXG090 |
228.600 | 279.400 | 25.40 | |||||||||
NKG100XP0 | 10.000 | 12.000 | 1.00 | 80280 | 33870 | 200650 | 84630 | 3.650 | KXG100 | KG100XP0 | CSXG100 |
254.000 | 304.800 | 25.40 | |||||||||
NKG110XP0 | 11.000 | 13.000 | 1.00 | 87570 | 35870 | 218920 | 89700 | 3.960 | KXG110 | KG110XP0 | CSXG110 |
279.400 | 330.200 | 25.40 | |||||||||
NKG120XP0 | 12.000 | 14.000 | 1.00 | 94860 | 37830 | 237140 | 94590 | 4.320 | KXG120 | KG120XP0 | CSXG120 |
304.800 | 355.600 | 25.40 | |||||||||
NKG140XP0 | 14.000 | 16.000 | 1.00 | 109440 | 41600 | 273630 | 104060 | 4.960 | KXG140 | KG140XP0 | CSXG140 |
355.600 | 406.400 | 25.40 | |||||||||
NKG160XP0 | 16.000 | 18.000 | 1.00 | 124060 | 45250 | 310130 | 113130 | 5.650 | KXG160 | KG160XP0 | CSXG160 |
406.400 | 457.200 | 25.40 | |||||||||
NKG180XP0 | 18.000 | 20.000 | 1.00 | 138640 | 48720 | 346620 | 121840 | 6.280 | KXG180 | KG180XP0 | CSXG180 |
457.200 | 508.000 | 25.40 | |||||||||
NKG200XP0 | 20.000 | 22.000 | 1.00 | 153220 | 52100 | 383070 | 130240 | 7.530 | KXG200 | KG200XP0 | CSXG200 |
508.000 | 558.800 | 25.40 | |||||||||
NKG250XP0 | 25.000 | 27.000 | 1.00 | 189800 | 86110 | 474600 | 150250 | 8.850 | KXG250 | KG250XP0 | CSXG250 |
635.000 | 685.800 | 25.40 | |||||||||
NKG300XP0 | 30.000 | 32.000 | 1.00 | 226360 | 94300 | 565790 | 168900 | 10.570 | KXG300 | KG300XP0 | CSXG300 |
762.000 | 812.800 | 25.40 | |||||||||
NKG350XP0 | 35.000 | 37.000 | 1.00 | 262880 | 101610 | 656970 | 186680 | 12.300 | KXG350 | KG350XP0 | CSXG350 |
889.000 | 939.800 | 25.40 | |||||||||
NKG400XP0 | 40.000 | 42.000 | 1.00 | 399475 | 108257 | 748800 | 203639 | 13.900 | KXG400 | KG400XP0 | CSXG400 |
1016.000 | 1066.800 | 25.40 |
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