d - 12 mm
D - 28 mm
B - 8 mm
d1 - 17.5 mm
d2 - 16.5 mm
D1 - 22.45 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 6.7 mm
da - min. - 14 mm
db - min. - 14 mm
Da - max. - 26 mm
Db - max. - 26.6 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 18.5 mm
Basic dynamic load rating - C - 3.2 kN
Basic static load rating - C0 - 1.3 kN
Fatigue load limit - Pu - 0.057 kN
Limiting speed for grease lubrication - 80000 r/min
Limiting speed for oil lubrication - 127000 mm/min
Ball - Dw - 3.969 mm
Ball - z - 12
Gref - 0.31 cm3
Calculation factor - f0 - 7.3
Preload class A - GA - 17 N
Preload class B - GB - 53 N
Preload class C - GC - 110 N
Calculation factor - f - 1.02
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.03
Calculation factor - f2C - 1.05
Calculation factor - fHC - 1
Preload class A - 13 N/micron
Preload class B - 21 N/micron
Preload class C - 30 N/micron
Mass bearing - 0.021 kg
Hot number:SKF 1216K SKF 21311 CC NSK 22211 CCK/W33+H 311 NTN 32019 NSK NJ 303 OKB M-2318Z1 KOYO 6948 ISO H414245X/10 LS GEC340HC RHP LT3.1/4 NTN NU208E FAG UC205-14 R&M 7216BG NSK 50TKB3504BRA1 SKF 3315 A-2Z
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