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Home
About CQQB
Profile
Company Culture
Quality System
Company Certification
Products
Spherical Roller Bearings
Tapered Roller Bearings
Deep Groove Ball Bearings
Cylindrical Roller Bearings
Angular Contact Ball Bearings
Thrust Roller Bearings
Thrust Ball Bearings
Industries
Mining Machinery
Metallurgical Industry
Cement Manufacturing
Chemical Industry
Papermaking Industry
Petroleum Industry
Motors
News
Latest News
Industry News
Contact
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Reliable Medium And Large
Bearing Supplier
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Products
Spherical Roller Bearings
Tapered Roller Bearings
Deep Groove Ball Bearings
Cylindrical Roller Bearings
Angular Contact Ball Bearings
Thrust Roller Bearings
Thrust Ball Bearings
Four-row Tapered Roller Bearings
Dimension and Parameters
Bearing No. :
77750K
Boundary dimensions（mm）
d :
250
D :
460
B :
270
T :
270
r min :
5
r1 min :
4
Basic load ratings(kN)
Dynamic(Cr) :
2250
Static(Cor) :
6400
Mass
Kg :
192
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