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CBK 257 Special and inch size
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Technical dataScheme
symbol CBK 257
336658 (SKF) 639213 (SKF)
mass [kg]: 0.054
basic load rating (dynamic) C [kN] 21.4
basic load rating (static) Co [kN] 22
limiting speeds (grease) [min-1] 11000
limiting speeds (oil) [min-1] 16000
d [mm] 15
D [mm] 42
T [mm] 13
B [mm] 13.5
C [mm] 10
r1s min [mm] 1
r2s max [mm] 1
a ~ [mm] 9