RA Crossed Roller Bearings

The RA series cross roller bearing has a very thin bearing ring, the outer ring of which is a split one and the inner ring is integrated, the rotating speed can be increased and the structural weight can be reduced. The RA series cross roller bearing is suitable for the rotary joint of the robot arm.

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The structure of RA series crossed roller bearings is that the outer ring is split and the inner ring is integrated. The thickness of the bearing ring is thin enough and has reached the limit, which effectively reduces the structural weight and improves the speed of the bearing. The bearing seat or lateral support flange can also be very light, which is most suitable for the rotary joint of the robot arm.

Part No	Dimension(mm)			Basic Cap (KN)		Weight
Part No	d	D	H	Cr	Cor	kg
RA5008	50	66	8	4.9	6.17	0.084
RA6008	60	76	8	5.35	7.31	0.094
RA7008	70	86	8	5.74	8.44	0.108
RA8008	80	96	8	6.13	9.59	0.122
RA9008	90	106	8	6.49	10.7	0.135
RA10008	100	116	8	6.85	11.9	0.152
RA11008	110	126	8	7.16	13	0.163
RA12008	120	136	8	7.53	14.1	0.184
RA13008	130	146	8	7.86	15.3	0.199
RA14008	140	156	8	8.06	16.4	0.205
RA15008	150	166	8	8.35	17.5	0.220
RA16013	160	186	13	20.3	39.9	0.620
RA17013	170	196	13	20.9	42.2	0.675
RA18013	180	206	13	21.5	44.6	0.710
RA19013	190	216	13	22.1	46.9	0.740
RA20013	200	226	13	22.5	49.3	0.780

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