d - 55 mm
D - 80 mm
B - 13 mm
d1 - 62.7 mm
d2 - 62.7 mm
D2 - 74.57 mm
r1,2 - min. - 1 mm
r3,4 - min. - 0.3 mm
a - 22.4 mm
da - min. - 59.6 mm
da - max. - 62.1 mm
db - min. - 59.6 mm
db - max. - 62.1 mm
Da - max. - 75.4 mm
Db - max. - 78 mm
ra - max. - 1 mm
rb - max. - 0.3 mm
Basic dynamic load rating - C - 18.2 kN
Basic static load rating - C0 - 13.7 kN
Fatigue load limit - Pu - 0.585 kN
Limiting speed for grease lubrication - 15000 r/min
Ball - Dw - 7.938 mm
Ball - z - 23
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 - 120 N
Preload class B - GB - 240 N
Preload class C - GC - 480 N
Preload class D - GD - 960 N
Calculation factor - f - 1.15
Calculation factor - f1 - 0.98
Calculation factor - f2A - 1
Calculation factor - f2B - 1.04
Calculation factor - f2C - 1.08
Calculation factor - f2D - 1.14
Calculation factor - fHC - 1
Preload class A - 124 N/micron
Preload class B - 161 N/micron
Preload class C - 211 N/micron
Preload class D - 282 N/micron
Mass bearing - 0.183 kg
Hot number:KOYO NJ 424 CX 1988/1922 NACHI 23030AXK KOYO 3NC HAR912C FT NTN 68/1120 ZEN FR1-4 ISO NF313 JNS NKI 100/30 Hyatt 93524 Torrington AXK-140180 SKF (Old No.) NKIB-5913 Torrington T-762 SKF 80x115x12 HMS5 RG SKF OKC 730 NOK SPGW-80
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