Specifications

1,ball bearing 6309 uu
2,High speed
3,End cover:ZZ,RS
4,Noise level:Z1,Z2
5,C2,C0,C3...

ball bearing 6309 uu

 

6309,6309z,6309-2rs Bearings Specifications:

Bore :45mm
Outer Diameter 100mm
Width :25mm
Dyn:52700n
Stat:31500n
(Grease) Lubrication Speed: 6700 r/min
(Oil) Lubrication Speed: 8000 r/min
Weight :0.83kg

The same size can be made of different materials, including,

Stainless Steel Bearings

Chrome Steel Bearings

Carbon Steel Bearings

Ceramic Bearings

Shield / closure: Open Bearing, Z, ZZ, RS, 2RS,TT
Tolerance codes: ABEC-1, ABEC-3, ABEC-5, ABEC-7,ABEC-9
Vibration level codes: V4, V3, V2, V1
Internal clearance codes: C2, C3, C4, C5
Material: AISI52100, AISI440C, AISI304, AISI316, Ceramic
Retainer: PTFE, Nylon, PEEK Or Stainless Steel

This bearing can be found with the following part numbers on it: 
6309-2RS, 6309 2RS, 6309 RS, 6309RS, 6309-ZZ, 6309 ZZ, 6309ZZ, 6309 Z
SS6309-2RS, SS6309 2RS, SS6309 RS, SS6309RS, SS6309-ZZ, SS6309 ZZ, SS6309ZZ, SS6309 Z