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https://www.thb-bearings.com/products/bk-0509-drawn-cup-needle-roller-bearing.html

Specifications of BK 0509 Drawn Cup Needle Roller Bearing
DesignationsBK0509
Dimensions(mm)Fw5
D9
C9
r1,20.4
Basic load ratings(KN)Basic load ratings (dynamic)(C)2,261
Basic load ratings (static)(C0)1,997
Fatigue load limit (Pu)0,209
Speed ratings(r/min)Speed ratings (Reference speed)22 000
Speed ratings (Limting speed)24 000
Mass(kg)0.0021

A specialized solutions provider of bearing technology, THB Bearings Co.Ltd (Shanghai) is an industrial technical services company that offers customers a simple and convenient source for bearing components, technical services and solutions. With a head office located in China (Shanghai) along with established warehouses and service centers in the Netherlands and Germany, THB China services the global marketplace. To date, as one of the industrial bearing manufacturers, THB has already officially registered the RORKS brand in mainland China.