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:NTN 7012 AC/DB NSK 7311 B/DB NTN 7330 C/DF SKF 23120 CC/W33 SKF 61901-2Z ISO 7303 BDB NSK LM5020 NKE NU412-M SNR R159.14 NSK TL23144CAE4 SNR UKT309H NBS ZARN 2062 L TN SKF PSM 809070 A51 GMN FP427Z NOK JASO 3038 1A
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