U-shaped Iron Cage Double Row Angular Contact Ball Bearings

Introduction

U-shaped iron cage double row angular contact ball bearings are mainly composed of bearing seats, cages, steel balls and preload loads. Among them, the cage has a unique U-shaped structure, which can effectively guide the steel ball into the raceway of the bearing seat and withstand the centrifugal force from the steel ball. Preload load can improve the rigidity and load-bearing capacity of the bearing, while reducing the friction and vibration of the bearing.

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Parameter Introduction

U-shaped

Bearing Old Code	Bearing New Code			Dimensions( mm )				Rated Load（KN）		Reference Weight
	Single Side Dustproof Type	Single Side Seal Type	Double-sided Sealing Type	d	D	B	rmin	Cr	Cor	Mass(kg)
3056203U	3203 ZU	3203 RSU	3203 2RSU	17	40	17.5	0.6	12.8	7.9	0.099
3056204U	3204 ZU	3204 RSU	3204 2RSU	20	47	20.6	1.0	20.6	15.1	0.156
3056205U	3205 ZU	3205 RSU	3205 2RSU	25	32	20.6	1.0	22.7	18.5	0.181
3056206U	3206 ZU	3206 RSU	3206 2RSU	30	62	23.8	1.0	32.7	27.4	0.301
3056207U	3207 ZU	3207 RSU	3207 2RSU	35	72	27	1.1	38.1	33.1	0.456
3056208U	3208 ZU	3208 RSU	3208 2RSU	40	80	30.2	1.1	50.4	44.8	0.615
3056209U	3209 ZU	3209 RSU	3209 2RSU	45	85	30.2	1.1	54.7	52.2	0.671
3056210U	3210 ZU	3210 RSU	3210 2RSU	50	90	30.2	1.1	54.2	52.9	0.710
3056211U	3211 ZU	3211 RSU	3211 2RSU	55	100	33.3	1.5	69.2	68.7	0.978
3056212U	3212 ZU	3212RSU	3212 2RSU	60	110	36.5	1.5	85.9	86.5	1.330
3056213U	3213 ZU	3213 RSU	3213 2RSU	65	120	38.1	1.5	91.9	98.8	1.720
3056214U	3214 ZU	3214 RSU	3214 2RSU	70	125	39.7	1.5	91.2	99.8	1.860
3056215U	3215 ZU	3215 RSU	3215 2RSU	75	130	41.3	1.5	100.5	111.2	1.990
3056303U	3303 ZU	3303 RSU	3303 2RSU	17	47	22.2	1.0	20.6	15.0	0.188
3056304U	3304 ZU	3304 RSU	3304 2RSU	20	32	22.2	1.1	20.6	15.5	0.227
3056305U	3305 ZU	3305 RSU	3305 2RSU	25	62	25.4	1.1	27.5	22.8	0.373
3056306U	3306 ZU	3306 RSU	3306 2RSU	30	72	30.2	1.1	45.8	36.5	0.563
3056307U	3307 ZU	3307 RSU	3307 2RSU	35	80	34.9	1.5	58.2	47.5	0.769
3056308U	3308 ZU	3308 RSU	3308 2RSU	40	90	36.5	1.5	72.0	60.3	1.020
3056309U	3309 ZU	3309 RSU	3309 2RSU	45	100	39.7	1.5	87.0	74.4	1.350
3056310U	3310 ZU	3310 RSU	3310 2RSU	50	110	44.4	2.0	103.3	90.1	1.810
3056311U	3311 ZU	3311 RSU	3311 2RSU	55	120	49.2	2.0	114.2	108.0	2.400
3056312U	3312 ZU	3312RSU	3312 2RSU	60	130	54	2.1	123.5	119.4	3.100
3056313U	3313 ZU	3313 RSU	3313 2RSU	65	140	58.7	2.1	154.3	150.5	3.870