NJ311EJ BKL Single Row Cylindrical Roller Bearing 55x120x29mm

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SKU: NJ311EJ-BKL
BKL Metric single row cylindrical roller bearing with steel cage 55mm inside x 120mm outside x 29mm wide
Regular price £36.71 inc.VAT
£30.59 exc.VAT
All prices exclude VAT unless otherwise stated
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Product details

  • Vendor BKL Brand
  • SKU NJ311EJ-BKL
  • Inside diameter (d) 55mm
  • Outside diameter (D) 120mm
  • Width (B) 29mm

The NJ311EJ cylindrical roller bearing is a high-performance radial bearing designed to accommodate substantial radial loads and moderate axial loads in one direction. The "NJ" designation indicates that the bearing has one flanged outer ring and a cylindrical inner ring, which allows for axial displacement of the inner ring within certain limits. This makes the bearing suitable for applications where axial movement is required in one direction.

The "E" in the part number signifies an enhanced design with improved internal geometry, resulting in higher load-carrying capacity and greater durability compared to standard cylindrical roller bearings. The "J" suffix typically indicates that the bearing is equipped with a pressed steel cage, which helps to maintain the correct spacing between the rollers, reduces friction, and ensures smooth, efficient operation even under high load and speed conditions.

The NJ311EJ bearing is commonly used in a variety of industrial applications, such as electric motors, gearboxes, pumps, and other rotating machinery. Its robust design allows for reliable and long-lasting performance, even in demanding environments where axial displacement and high radial load support are needed. This bearing is particularly well-suited for applications requiring minimal maintenance and high efficiency.

Principal Dimensions
d: 55mm
D: 120mm
B: 29mm

Radial clearance class: Standard

Mass: 1.8 kg

Basic Load Ratings
Dynamic: 134.0 kn
Static: 140.0 kn

Limiting Speeds
Grease: 5,000 min-1
Oil: 6,000 min-1