Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508387
3304 B-2RSRTNG NSK Double Row Angular Contact Ball Bearing 20mm x 52mm x 22.2mm
3304 B-2RSRTNG NSK Double Row Angular Contact Ball Bearing
This premium double row angular contact ball bearing from NSK is engineered to deliver exceptional performance in high-speed precision applications requiring simultaneous radial and axial load handling. With its compact 20mm bore size, robust double row construction, and sealed design with polyamide cage, this bearing is ideal for moderate-duty industrial machinery where reliability, precision, and protection from contamination are essential.
Technical Specifications:
- Brand: NSK
- Reference: 3304B-2RSRTNG
- Bore Diameter: 20mm
- Outer Diameter: 52mm
- Width: 22.2mm
- Contact Angle: 40°
- Row Type: Double Row
- Arrangement: Bearing pair with low axial clearance in O- and X-arrangement
- Material: Standard bearing steel
- Cage Type: Polyamide cage
- Seal Type: Lip seal on both sides (2RS)
- Radial Clearance: Normal
- Tolerance Class: P0/PN2 (ABEC 1)
- Operating Temperature Range: -20°C to +120°C
- Outer Ring Design: Without flange or groove
Key Features:
- 40° contact angle optimised for efficient load distribution and axial load capacity
- Double row configuration providing superior axial and radial load handling compared to single row bearings
- Polyamide cage ensures lightweight operation, reduced friction, and excellent durability at moderate to high speeds
- Double-sided lip seals (2RS) provide excellent protection against contamination and moisture ingress while retaining lubrication
- Standard bearing steel construction for superior strength and reliable load-carrying capability
- Pair arrangement with low axial clearance in O- and X-configurations for precise alignment and optimised load distribution
- Compact 20mm bore diameter ideal for space-constrained applications and precision equipment
- ABEC 1 precision class for consistent and reliable performance
- Operating temperature range from -20°C to +120°C suitable for standard industrial environments
Ideal Applications:
The 3304 B-2RSRTNG is perfectly suited for:
- Electric motors and precision machinery spindles
- Gearboxes and transmission systems requiring sealed bearing solutions
- Industrial pumps and compressors
- Machine tool spindles with moderate to high-speed requirements
- Automotive and agricultural equipment
- Bearing pair assemblies for optimised axial load handling
- Applications requiring sealed protection in semi-contaminated environments
- Equipment operating in moderate temperature ranges
- High-speed precision applications with combined radial and axial loads
- Machinery where maintenance-free operation is desired
NSK angular contact bearings are recognised for their exceptional quality construction and reliable performance. The 3304 B-2RSRTNG combines proven engineering excellence with sealed design protection, making it an excellent choice for moderate-duty industrial applications requiring dependable performance, sealed protection, and efficient handling of simultaneous radial and axial loads.
