Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-508226
7221 BG NSK Single Row Angular Contact Ball Bearing 105mm x 190mm x 36mm
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Product Specification
Arrangement
Bearing pair with a low axial clearance in O- and X-arrangem
Brand
NSK
Cage
Steel
Clearance
Normal radial clearance
Contact angle
40 degree
Inside Dia
105mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
190mm
Row Type
Single
Seal
None, open bearing
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
36mm
Reference
7221BG
Additional Reference:
10095910
Quick Order Code
BB-508226
Product Description
7221 BG NSK Single Row Angular Contact Ball Bearing
Premium single row angular contact ball bearing from NSK, engineered for high-speed precision applications requiring simultaneous radial and axial load capacity. This robust bearing combines exceptional reliability with precision engineering, making it ideal for demanding industrial machinery and high-performance rotating equipment.
Specifications:
- Bore Diameter: 105mm
- Outside Diameter: 190mm
- Width: 36mm
- Row Type: Single Row
- Contact Angle: 40°
- Manufacturer: NSK
- Reference: 7221BG
Key Features:
- 40° contact angle for optimal load distribution and enhanced performance
- Single row design optimized for combined radial and axial loading
- Steel cage construction for reliable ball guidance and reduced friction
- Normal radial clearance (P0/PN2 tolerance class - ABEC 1)
- Open bearing design (no seal) for applications requiring minimal friction and easy maintenance
- Standard bearing steel construction for durability and long-term reliability
- Outer ring without flange or groove for flexible mounting configurations
- Wide operating temperature range: -20°C to +150°C
- Bearing pair configuration with low axial clearance in O- and X-arrangement for precision applications
Performance Characteristics:
- High-speed capability ideal for demanding industrial applications
- Precision construction for smooth, consistent operation
- Suitable for preloaded bearing pairs in critical applications
- Flexible arrangement options (back-to-back or face-to-face configuration)
- NSK quality assurance - renowned for excellence in bearing manufacturing
Typical Applications:
- Gearboxes and transmission systems
- Industrial machinery spindles and rotating shafts
- Pump and motor assemblies with moderate to high load requirements
- Electric motors and power transmission equipment
- Machine tool spindles requiring precision support
- Heavy-duty industrial equipment operating under combined radial and axial loads
- Automotive and aerospace components
This NSK angular contact bearing delivers superior performance and reliability for industrial applications demanding precision support under mixed loading conditions, backed by NSK's reputation for world-class bearing engineering.
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