d - 75 mm
D - 115 mm
B - 20 mm
d1 - 87.3 mm
d2 - 87.3 mm
D1 - 102.7 mm
r1,2 - min. - 1.1 mm
r3,4 - min. - 0.6 mm
a - 22.8 mm
da - min. - 81 mm
db - min. - 81 mm
Da - max. - 109 mm
Db - max. - 111 mm
ra - max. - 1 mm
rb - max. - 0.6 mm
dn - 90 mm
Basic dynamic load rating - C - 52.7 kN
Basic static load rating - C0 - 49 kN
Fatigue load limit - Pu - 2.1 kN
Limiting speed for grease lubrication - 14000 r/min
Limiting speed for oil lubrication - 22000 mm/min
Ball - Dw - 12.7 mm
Ball - z - 20
Gref - 8.4 cm3
Calculation factor - f0 - 15.7
Preload class A - GA - 200 N
Preload class B - GB - 400 N
Preload class C - GC - 800 N
Preload class D - GD - 1600 N
Calculation factor - f - 1.14
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.02
Calculation factor - f2C - 1.05
Calculation factor - f2D - 1.09
Calculation factor - fHC - 1.02
Preload class A - 93 N/micron
Preload class B - 128 N/micron
Preload class C - 179 N/micron
Preload class D - 260 N/micron
Mass bearing - 0.527 kg
Hot number:KOYO 7217 C/DT NSK BL 207 KOYO BT88-1 CX HK384820 NBS K 3x5x9 TN NTN NK24/20R+IR20×24×20 INA K14X18X13 NKE RSAO90 KOYO NA4900 NACHI NP 1016 JNS RNA 4905UU NTN T-HM259049/HM259010D+A IKO KRE-22-2RSX FAG NUKR-85-X NSK 3984R/3920R
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