Material

Outer Ring: Carburised Chrome Molybdenum Steel.
Rollers: Special carbonitriding heat treated Steel. Crowning reduces edge load stress concentration.
Cage: Case hardened and tempered or soft-nitrided Steel.

Performance

Recommended Bearing Fit in Housing: Steel: N6 (N7). Light Alloy: R6 (R7) (<1.6 Ra Circularity / Cylindricity <IT4).
Shaft Without Inner Ring: h5 (h6). Shaft With Inner Ring: k5 (j6) (58-64 Hrc <0.8 Ra).

Other Info.

Needle roller bearings are available in inch sizes and a variety of alternative bore dias., outside dias. and lengths. Also available with double rows and seals.
Please contact Sales with your specific requirements for a quotation.
3mm to 22mm dia bore needle roller bearings are ‘F Type’ drawn cup types which offer:

Further technical information available on request.

Specials
Available in inch sizes and a variety of alternative bore diameters, outside diameters and lengths.
Also available with double rows and seals.
Please contact Sales for a quote.