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Quick Code: BB-501544

6311 NR/C3 SKF Open Deep Groove Ball Bearing 55mm x 120mm x 29mm

£92.74 exc VAT (£111.29 inc VAT) Show Bulk Discounts (5+)
5+: £83.47
10+: £81.61
25+: £79.76
50+: £77.90
In Stock   Free Delivery over £100   Next Day Unavailable
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Product Specification
Ball rows
Single row bearing
Bore
Cylindrical bore
Brand
SKF
Cage
Sheet steel cage
Clearance
Slightly increased radial clearance
Current insulation
No current insulation
Inside Dia
55mm
Material
Standard bearing steel
Material of rolling elements
Standard bearing steel
Outer ring
Ring groove with circlip on outer ring
Outside Dia
120mm
Sealing
Open
Temperature range
-20 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
29mm
Reference
6311NR/C3
Additional Reference:
10065522
Quick Order Code
BB-501544
Product Description

The 6311 NR/C3 is a high-performance SKF deep groove ball bearing designed for versatile industrial and mechanical applications. Manufactured by the world's leading bearing manufacturer, this open bearing offers exceptional reliability and precision engineering for demanding operational environments.

Key Features:

  • Single row deep groove ball race design
  • Open configuration for easy lubrication
  • Sheet steel cage construction
  • Cylindrical bore for precise mounting
  • Ring groove with circlip on outer ring
  • Standard bearing steel material for durability

Technical Specifications:

  • Inside Diameter: 55mm
  • Outside Diameter: 120mm
  • Width: 29mm
  • Clearance: Slightly increased radial clearance (C3)
  • Operating Temperature Range: -20°C to +120°C
  • Tolerance Class: P0/PN2 / ABEC 1 precision
  • Sealing: Open design
  • Current Insulation: No current insulation
  • Cage Material: Sheet steel
  • Material: Standard bearing steel

Typical Applications:

  • Electric motors
  • Industrial machinery
  • Automotive components
  • Conveyor systems
  • Agricultural equipment
  • Power transmission systems
  • Material handling equipment

The open design of this 6311 NR/C3 bearing allows for easy manual lubrication and inspection, making it ideal for applications where frequent maintenance is possible. Its slightly increased radial clearance (C3) provides additional space for thermal expansion, ensuring optimal performance in varying temperature conditions.

As with all SKF bearings, this product is manufactured to the highest quality standards, delivering reliable performance, extended service life, and consistent rotational characteristics across a wide range of industrial applications.


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