NK 21/20 RICH Needle Roller Bearing without Inner Ring - 21 x 29 x 20 mm
The NK 21/20 RICH is a needle roller bearing without an inner ring, designed for applications where the shaft raceway can be hardened and ground. It has key dimensions of 21 mm inner diameter, 29 mm outer diameter, and a width of 20 mm. This bearing weighs approximately 0.03 kg. It is made in China. Needle roller bearings are characterized by their small radial section height and high load-carrying capacity. This type is particularly useful when space is limited.
Key Specifications:
- Type:** Needle Roller Bearing without Inner Ring
- Model:** NK 21/20 RICH
- Inner Diameter (d): 21 mm (For use with a hardened and ground shaft)
- Outer Diameter (D): 29 mm
- Width (B): 20 mm
- Weight:** 0.03 kg
- Country of Origin:** China
Key Features:
- Needle Roller Design:** Provides a high load-carrying capacity with a small radial section height.
- Without Inner Ring:** Economical solution when the shaft can serve as the inner raceway.
- Compact Dimensions:** Ideal for applications with limited space.
- Lightweight:** Minimizes added inertia.
- Manufacturing Origin:** Made in China.