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Cylindrical Roller Bearing

d 45-55mm

Principal dimensions
(mm)
Basic load ratings
(kn)
Speed ratings
(r/min)
Designation ISO355
Dimensions
a
mm
Fitting dimensions
mm
Calculation coefficient Weight(Kg)
d D T B C r1,2
min
r3,4
min
Cr Cor Grease Oil a da
max
db
max
Da
max
Da
min
Db
min
Ca
min
Cb
min
ra
max
rb
max
e Y Yo
 90 35.25 33.0 27.0 2.0 1.5 116 149 4000 5300 32308 2FD 23 51.0 49 81 71 86.0 3 8.0 1.5 1.5 0.83 0.72 0.400 1.0600
45 68 15.00 15.0 12.0 0.6 0.6 34.5 50.5 5000 6700 32909 2BC 12 50.0 53 63 62 65.0 3 3.0 0.6 0.6 0.32 1.90 1.000 0.1870
45 75 20.00 20.0 15.5 1.0 1.0 56.0 75.0 4800 6300 32009X 3CC 16 52.0 51 69 67 72.0 4 4.5 1.0 1.0 0.40 1.50 0.800 0.3500
45 75 24.00 24.0 19.0 1.0 1.0 68.9 94.0 4800 6300 33009 2CE 16 54.0 51 69 67 72.0 4 5.0 1.0 1.0 0.29 2.00 1.100 0.3980
45 80 26.00 26.0 20.5 1.5 1.5 85.5 115 4500 6000 33109 3CE 19 52.0 52 73 69 77.0 4 5.5 1.0 1.0 0.37 1.60 0.900 0.5600
45 85 20.75 19.0 16.0 1.5 1.5 71.0 80.1 4500 6000 30209 3DB 18 54.0 52 78 74 80.0 3 4.5 1.0 1.0 0.40 1.50 0.800 0.4770
45 85 24.75 23.0 19.0 1.5 1.5 82.5 131 4500 6000 32209 3DC 20 54.0 52 78 73 80.0 3 5.5 1.0 1.0 0.40 1.50 0.800 0.5940
45 85 32.00 32.0 25.0 1.5 1.5 111 142 4000 5300 33209 3DE 22 52.0 52 78 72 81.0 5 7.0 1.0 1.0 0.40 1.50 0.800 0.8200
45 100 27.25 25.0 22.0 2.0 1.5 109 129 4000 5300 30309 2FB 21 59.0 54 91 86 92.0 3 5.0 1.5 1.5 0.35 1.70 0.900 1.0100
45 100 27.25 25.0 18.0 2.0 1.5 96.3 108 3400 4500 31309 7FB 32 57.0 54 91 79 95.0 4 9.0 1.5 1.5 0.83 0.72 0.400 0.9450
45 100 38.25 36.0 30.0 2.0 1.5 151 181 3600 4800 32309 2FD 25 57.0 54 91 82 93.0 4 8.0 1.5 1.5 0.35 1.70 0.900 1.4100
50 72 15.00 15.0 12.0 0.6 0.6 33.2 51.3 4500 6300 32910 2BC 14 54.0 58 67 66 70.0 3 3.0 0.6 0.6 0.34 1.80 0.970 0.1910
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