d - 30 mm
D - 55 mm
B - 13 mm
d1 - 38.2 mm
d2 - 36.4 mm
D1 - 45.81 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.6 mm
a - 16.4 mm
da - min. - 34.6 mm
db - min. - 34.6 mm
Da - max. - 50.4 mm
Db - max. - 50.8 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 39.9 mm
Basic dynamic load rating - C - 8.8 kN
Basic static load rating - C0 - 5 kN
Fatigue load limit - Pu - 0.212 kN
Limiting speed for grease lubrication - 35000 r/min
Limiting speed for oil lubrication - 54000 mm/min
Ball - Dw - 6.35 mm
Ball - z - 17
Gref - 1.7 cm3
Calculation factor - e - 0.68
Calculation factor - Y2 - 0.87
Calculation factor - Y0 - 0.38
Calculation factor - X2 - 0.41
Calculation factor - Y1 - 0.92
Calculation factor - Y2 - 1.41
Calculation factor - Y0 - 0.76
Calculation factor - X2 - 0.67
Preload class A - GA - 80 N
Preload class B - GB - 240 N
Preload class C - GC - 480 N
Calculation factor - f - 1.05
Calculation factor - f1 - 0.99
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.06
Calculation factor - fHC - 1
Preload class A - 71 N/micron
Preload class B - 105 N/micron
Preload class C - 138 N/micron
Mass bearing - 0.114 kg
Hot number:NSK QJ 312 NACHI LB 203245 ZKL NJ 324 OKB 3182180 FAG 23032-E1A-M ISO 234717 SKF 53218 + U 218 ISB FR1-5ZZ Timken HH221440D/HH221410 CX RNAO50x65x40 NH MW-7/8 SKF (Old No.) NA-69/32 INA NNCL-4940VC/3 NTN 4T-CR1-822LLXCS#05 NOK TC 20 32 8 NBR
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