d - 50 mm
D - 80 mm
T - 20 mm
a - 18 mm
B - 20 mm
C - 15,5 mm
Ca min - 4 mm
Cb min - 4,5 mm
Da max - 74 mm
Da min - 72 mm
Db min - 77 mm
d1 - 67,5 mm
da max - 56 mm
db min - 56 mm
r1, 2 min - 1 mm
r3, 4 min - 1 mm
ra max - 1 mm
rb max - 1 mm
m - 0,384 kg / Weight
Cr - 64000 N
C0r - 93000 N / Static load rating (radial)
e - 0,42
Y - 1,42
Y0 - 0,78
Cur - 11200 N / Fatigue limit load, radial
nG - 8700 1/min / Limiting speed
nB - 5000 1/min / Reference speed
Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Hot number:NACHI 53311 U KOYO NU 204 FLT NU 2218 TIMKEN 49585/49522 NACHI 23172EK FAG 53311 + U311 ZEN 61872 NSK FJL-3020L NBS K 19x23x13 Timken K44X50X22 SIGMA RSU 14 1094 NBS SL182915 FAG NU-2213 SKF 1218 K + H 218 NOK 1BP-41
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