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Model: NACHI H - LM300849/H - LM300811 - The imperial tapered roller bearings>
Bearing Size
d = 40.987D = 67.975
B = 18
T = 17.5
C = 13.5
a = 3.6
da(min) = 55
db(max) = 47
Da(min) = 58
Db(min) = 64
r1(min) = 3.5
r2(min) = 1.6
Mass(Cone) = H-LM300849
Mass(Cup) = H-LM300811
Basic load rating: 44000
Basic load rating: 44000
Rated static load: 59500
Limit speed（Grease lubrication）: 4600
Limit speed（Oil lubrication） 6500
