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Model: NACHI H - 1280/H - 1220 - The imperial tapered roller bearings>
Bearing Size
d = 22.225D = 57.15
B = 22.225
T = 22.225
C = 17.463
a = 7.9
da(min) = 29.5
db(max) = 29
Da(min) = 49
Db(min) = 52
r1(min) = 0.8
r2(min) = 1.6
Mass(Cone) = H-1280
Mass(Cup) = H-1220
Basic load rating: 52600
Basic load rating: 52600
Rated static load: 55700
Limit speed（Grease lubrication）: 6300
Limit speed（Oil lubrication） 8900
