U-shaped Iron Cage Double Row Angular Contact Ball Bearings


U-shaped Iron Cage Double Row Angular Contact Ball Bearings

Introduction of U-shaped Iron Cage Double Row Angular Contact Ball Bearings

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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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

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