d - 20 mm
D - 37 mm
B - 9 mm
d1 - 25.65 mm
d2 - 24.4 mm
D1 - 31.49 mm
r1,2 - min. - 0.3 mm
r3,4 - min. - 0.15 mm
a - 8.5 mm
da - min. - 22 mm
db - min. - 22 mm
Da - max. - 35 mm
Db - max. - 36.2 mm
ra - max. - 0.3 mm
rb - max. - 0.15 mm
dn - 26.7 mm
Basic dynamic load rating - C - 4.9 kN
Basic static load rating - C0 - 2.4 kN
Fatigue load limit - Pu - 0.102 kN
Limiting speed for grease lubrication - 68000 r/min
Limiting speed for oil lubrication - 106000 mm/min
Ball - Dw - 4.762 mm
Ball - z - 14
Gref - 0.5 cm3
Calculation factor - f0 - 7.8
Preload class A - GA - 26 N
Preload class B - GB - 79 N
Preload class C - GC - 157 N
Calculation factor - f - 1.04
Calculation factor - f1 - 1
Calculation factor - f2A - 1
Calculation factor - f2B - 1.05
Calculation factor - f2C - 1.09
Calculation factor - fHC - 1.01
Preload class A - 20 N/micron
Preload class B - 31 N/micron
Preload class C - 43 N/micron
Mass bearing - 0.032 kg
Hot number:NSK 23088 CACK/W33+H 3088 NACHI NUP 220 FAG NJ306E.TVP2 +HJ306E CRAFT 61809ZZ ISO 7306 ADF AST AST11 1208 INA BK1816 SKF GE 15 C KOYO HK1622 ISB NU 1018 NTN NU2304E SKF 6305-2RS HOFF NF-214 SKF (Old No.) NKI-30/20 NTN SF0820/2E
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