NA49 series Needle Roller Bearings

ZZ Bearings's needle roller bearings with machined rings are made of carbon chromium bearing steel. ZZ Bearings's supplies these bearings with or without flanges on the outer ring, in a wide range of series and sizes. ZZ Bearings's also supplies them with or without an inner ring.

Series: NA4900-XL, NA4901-XL, NA4902-XL, NA4903-XL, NA4904-XL, NA49/22-XL, NA4905-XL, NA49/28-XL, NA4906-XL, NA49/32-XL

Needle roller bearings have a long track record as proven machine elements for the design of radially compact bearing arrangements with very high load-carrying capacity.

Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be used even for light alloy housings. These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.

The NA49/32 is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with an Inner Ring. The Inner Ring is separable from the Cage and Outer Ring, while the Outer Ring is fixed to the Cage and has an oil groove and an oil hole. Bearings with an Inner Ring are used when the shaft being used isn't heat-treated and finished by grinding. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications.

High radial load carrying capacity
High stiffness
Low cross-sectional height
Accommodate axial displacement in both directions
Separable design

ZZ Bearing (Shanghai) Co., Ltd.

Add.: NO.18 Dongwu road, Songjiang Industrial Zone, Shanghai, China
Tel: +86-21-51061761