53209U Bearing Specifications
Bore d (mm)
45
Outer D (mm)
73
Width B (mm)
21.3
Dynamic rating Cr (kN)
48
Static rating Cor (kN)
105
Grease limit speed (r/min)
2600
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
How do I select the right fit for RUIST 53209U?
For 53209U 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 53209U?
Bore d = 45 mm, outer diameter D = 73 mm, width B = 21.3 mm — fully compliant with ISO/DIN standard envelope dimensions.
What is RUIST 53209U 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 53209U?
Yes — 2D drawings, 3D models and full specification sheets are available on request; bulk and customized (non-standard) orders are supported.