d - 50 mm
D - 90 mm
T - 24,75 mm
a - 21 mm
B - 23 mm
C - 19 mm
Ca min - 3 mm
Cb min - 5,5 mm
Da max - 83 mm
Da min - 78 mm
Db min - 85 mm
d1 - 70 mm
da max - 58 mm
db min - 57 mm
r1, 2 min - 1,5 mm
r3, 4 min - 1,5 mm
ra max - 1,5 mm
rb max - 1,5 mm
m - 0,602 kg / Weight
Cr - 88000 N
C0r - 109000 N / Static load rating (radial)
e - 0,42
Y - 1,43
Y0 - 0,79
Cur - 13200 N / Fatigue limit load, radial
nG - 8000 1/min / Limiting speed
nB - 4450 1/min / Reference speed
Main dimensions to DIN ISO 355 / DIN 720, separable, adjusted or in pairs
Hot number:NSK F 618/4 RIV NU 318 OKB 92316 AST AST20 08IB08 Timken GYA012RR ISO K50x55x30 JNS NA 49/32 NTN T-H239640/H239612D+A NTN T-LM654644D/LM654610/LM654610D MRC 5208-2RSNR FAG (Old No.) NAO-8x19x10 INA WS81114 SKF 23128 CCK/W33 SKF FYJ 2.1/2 TF NOK SB 72 100 12 VMQ
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