Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-520487
5306 SC3 NTN Double Row Angular Contact Ball Bearing 30mm x 72mm x 30.2mm
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Product Specification
Arrangement
Standard version
Brand
NTN
Cage
Sheet steel cage
Clearance
Slightly increased radial clearance
Contact angle
25 degree
Inside Dia
30mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
72mm
Row Type
Double
Seal
None, open bearing
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
30.2mm
Reference
5306SC3
Additional Reference:
10136034
Quick Order Code
BB-520487
Product Description
5306 SC3 NTN Double Row Angular Contact Ball Bearing
The 5306 SC3 is a premium double row angular contact ball bearing from NTN, engineered to deliver exceptional performance in applications requiring combined radial and axial loads. This robust bearing combines reliable NTN engineering with a versatile design suitable for a wide range of industrial applications, from gearboxes to machine tool spindles.
Key Specifications:
- Bore Diameter: 30mm
- Outside Diameter: 72mm
- Width: 30.2mm
- Row Type: Double row for enhanced load carrying capacity and stability
- Contact Angle: 25 degrees for optimised radial and axial load distribution
- Clearance: SC3 - Slightly increased radial clearance for reliable performance under varying operating conditions
- Arrangement: Standard version
- Tolerance Class: P0/PN2 / ABEC 1
Construction Features:
- Material: Standard bearing steel for durability and long service life
- Cage: Sheet steel cage for robust performance and reliability
- Seal: Open design (no seals) for applications requiring direct lubrication access
- Outer Ring: Without flange or groove for flexible installation options
- Operating Temperature Range: -20°C to +150°C
Typical Applications:
This bearing is ideal for use in:
- Gearboxes and transmission systems
- Electric motors and pumps
- Machine tool spindles
- Automotive and industrial machinery
- Heavy-duty equipment requiring precision under combined bidirectional loading conditions
- Applications where slightly increased clearance accommodates thermal expansion and operational variations
The double row configuration provides superior load handling capabilities, making the 5306 SC3 an excellent choice for demanding industrial environments where reliability and performance are essential.
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