628DD Deep Groove Ball Bearing Specifications
Bore d (mm)
8
Outer D (mm)
24
Width B (mm)
8
Dynamic rating Cr (kN)
3.7
Static rating Cor (kN)
1.43
Grease limit speed (r/min)
24000
Oil limit speed (r/min)
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Frequently Asked Questions / FAQ
How do I select the right fit for RUIST 628DD?
For 628DD 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 628DD?
Bore d = 8 mm, outer diameter D = 24 mm, width B = 8 mm — fully compliant with ISO/DIN standard envelope dimensions.
What is RUIST 628DD 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 628DD?
Yes — 2D drawings, 3D models and full specification sheets are available on request; bulk and customized (non-standard) orders are supported.