BL309 Deep Groove Ball Bearing Specifications
Bore d (mm)
45
Outer D (mm)
100
Width B (mm)
25
Dynamic rating Cr (kN)
61
Static rating Cor (kN)
44
Grease limit speed (r/min)
6300
Oil limit speed (r/min)
8000
Frequently Asked Questions / FAQ
How do I select the right fit for RUIST BL309?
For BL309 we recommend shaft tolerance k6/m6 on the inner ring and housing tolerance H7/J7 on the outer ring. Proper fits prevent creep and extend service life.
What is the bore, OD and width of RUIST BL309?
Bore d = 45 mm, outer diameter D = 100 mm, width B = 25 mm — fully compliant with ISO/DIN standard envelope dimensions.
What is RUIST BL309 made of and what certifications apply?
Manufactured from hardened GCr15 bearing steel with ISO 9001 / IATF 16949 controlled processes; available with OEM branding or as a neutral RUIST part.
Do you supply CAD or DXF drawings for RUIST BL309?
Yes — 2D drawings, 3D models and full specification sheets are available on request; bulk and customized (non-standard) orders are supported.