RNA4909 Needle Roller Bearing

Source: ISO/DIN standard bearing catalog · Brand marks removed, RUIST + bearing type retained
Bearing bore d (mm)
52
Outer D (mm)
68
Width B (mm)
22
Dynamic Cr (kN)
52
Static Cor (kN)
—
Grease speed (r/min)
—
Oil speed (r/min)
—

Engineering Drawing

RNA4909 Needle Roller Bearing engineering drawing

For CAD/DXF/PDF high-res drawings, contact us.

FAQ

How to choose fit for RUIST RNA4909?

Recommended shaft tolerance k6/m6, housing H7/J7 to prevent creep and extend life.

What are bore/OD/width of RUIST RNA4909?

Bore d = 52 mm, OD D = 68 mm, width B = 22 mm, fully compliant with ISO/DIN dimensions.

Material & certification of RUIST RNA4909?

Made of hardened GCr15 bearing steel under ISO 9001, neutral RUIST brand or OEM.

Can RUIST RNA4909 CAD/DXF drawing be provided?

Yes, 2D drawings, 3D models and full spec sheets available on request; batch & custom supported.

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