Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508500
3311 B-2RSRTNGC3 NSK Double Row Angular Contact Ball Bearing 55mm x 120mm x 49.2mm
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Product Specification
Arrangement
Bearing pair with a low axial clearance in O- and X-arrangem
Brand
NSK
Cage
Polyamide
Clearance
Slightly increased radial clearance
Contact angle
40 degree
Inside Dia
55mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
120mm
Row Type
Double
Seal
Lip seal on both sides
Temperature range
-20 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
49.2mm
Reference
3311B-2RSRTNGC3
Additional Reference:
10097093
Quick Order Code
BB-508500
Product Description
NSK 3311 B-2RSRTNGC3 Double Row Angular Contact Ball Bearing
This professional-grade double row angular contact ball bearing from NSK delivers exceptional performance for demanding industrial applications requiring simultaneous radial and axial load capacity in both directions. The precision-engineered design combines robust construction with advanced sealing technology, making it ideal for high-speed machinery and heavy-duty equipment.
Product Specifications:
- Bore Diameter: 55mm
- Outer Diameter: 120mm
- Width: 49.2mm
- Configuration: Double Row Angular Contact
- Contact Angle: 40 degrees
- Row Type: Double
- Seal Type: Lip seal on both sides (2RSRTNGC3)
- Cage Material: Polyamide
- Material: Standard bearing steel
- Radial Clearance: Slightly increased
- Axial Clearance: Low (O- and X-arrangement compatible)
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +120°C
- Manufacturer: NSK
Key Features:
- Double row design with 40-degree contact angle for superior load distribution
- Accommodates radial and axial loads in both directions
- Low axial clearance enables use as bearing pair in O- and X-arrangements
- Dual lip seals protect against contamination and moisture ingress
- Polyamide cage ensures lightweight, durable operation with reduced friction
- Slightly increased radial clearance for optimized performance
- NSK manufacturing precision and quality standards
Applications:
This bearing is particularly suited for:
- Gearboxes and transmission systems
- Machine tool spindles and precision grinding equipment
- Heavy-duty industrial machinery requiring multi-directional load handling
- High-speed precision applications with demanding load requirements
- Equipment requiring stiff bearing arrangements and tilting moment resistance
As a leading bearing manufacturer, NSK angular contact bearings are renowned for exceptional quality, reliability, and performance in the most demanding operational environments.
