Bearing NU 311 NTN
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Bearing NU 311 NTN

₨ 11,725

Availability: 10 in stock

SKU: 0297 Categories: , Brand:

Key Features

Bearing Type: Cylindrical Roller Bearing (NU Type, Separable)

Model: NU 311

Brand: NTN

Bore Diameter (d): 55 mm

Outer Diameter (D): 120 mm

Width (B): 29 mm

Design: Single-row cylindrical rollers, outer ring with two ribs, inner ring without ribs

Load Ratings: Dynamic ~96.5 kN | Static ~91.0 kN

Material: Premium alloy steel with pressed steel cage

Radial Internal Clearance: CN (Normal)

Precision Rating: ISO Class 0

Speed Limits: ~7,000 rpm (grease) | ~8,500 rpm (oil)

Temperature Range: –40 °C to +120 °C

Weight: ~1.10 kg

Applications: Gearboxes, pumps, compressors, electric motors, conveyors, and heavy industrial machinery

Product Description

The NTN NU 311 Cylindrical Roller Bearing is designed to handle high radial loads and allows axial displacement of the shaft relative to the housing, making it suitable for applications with thermal expansion. Its NU-type design, featuring two ribs on the outer ring and no ribs on the inner ring, ensures smooth axial movement and reliable operation. Manufactured from premium alloy steel and fitted with a pressed steel cage, the NU 311 provides durability, low friction, and long-lasting performance in demanding industrial applications

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