IR 45X55X22-Needle roller bearing-FGFA bearings

IR 45X55X22 Inner ring for needle roller bearings, IR series

Needle roller bearings are compact transmission components utilising slender needle rollers as rolling elements. Their core advantages lie in their small size and high radial load capacity – within equivalent installation space, they far exceed the load-bearing capacity of standard ball bearings while offering a compact structure that significantly reduces equipment footprint. Suitable for medium-to-low speed applications, they exhibit impact resistance, stable transmission efficiency, and facilitate straightforward installation and maintenance.

Dimensions

d	45 mm	Bore diameter
F	55 mm	Raceway diameter
B	22 mm	Width
r, r_1,2	min.1 mm	Chamfer dimension inner ring

Tolerances: IR series, LR series, raceways

Basic Parameters

Bearing Inner Diameter：45 mm
Bearing Outer Diameter：55 mm
Bearing Thickness：22 mm

Wafangdian Fafuge Bearing Co., Ltd., rooted in Wafangdian Bearing Industry Base, is an emerging professional bearing manufacturer. Drawing on the base’s profound industrial heritage, we have upheld craftsmanship since inception, integrated precision manufacturing into R&D and production, and focused on the R&D and refined production of spherical roller bearings.