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Model: NACHI 5311N - With a snap ring groove double row angular contact ball bearings>
Bearing Size
d = 55
D = 120
B = 49.2
D1(max) = 115.21
a(max) = 4.06
b(min) = 3.1
D2(max) = 129.7
f(min) = 2.82
da(min) = 65
Da(max) = 110
ra(max) = 2
Cy(max) = 6.5
Mass = 2.3
Basic load rating: 112000
Basic load rating: 112000
Rated static load: 86500
Limit speed（Grease lubrication）: 4000
Limit speed（Oil lubrication）: 5500
