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Model: NACHI 6903N - Snap ring groove deep groove ball bearings>
Bearing Size
d = 17D = 30
B = 7
D1 = 28.7
a = 1.3
D2 = 32.8
f = 0.85
da(min) = 19
Da(max) = 28
Dx(min) = 33.5
ra(max) = 0.3
Cy(max) = 1.8
Mass = 0.019
Basic load rating: 4600
Rated static load: 2550
Limit speed（Grease lubrication）:
Limit speed（Grease lubrication）:
Limit speed（Oil lubrication）
