7076 BM
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7076 BM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
64.7 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
380 mm
Bore diameter tolerance
-0.03mm to 0
Outside diameter
560 mm
Outside diameter tolerance
-0.038mm to 0
Width
82 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
5 mm
Contact angle
40 °
Distance from side face to load point
238 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
450.63 mm
Inner ring small-side shoulder diameter
419.05 mm
Outer Ring Dimensions
Shoulder diameter outer ring
492.33 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
105300 lbf
Radial static load rating
191250 lbf
Limiting speed
1.2 X 1000 rpm
Lubrication
Lubricated
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Brass
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
Price available upon request.
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7076 BM Bearing Product Overview & Core Advantages
The 7076 BM is a single row angular contact ball bearing engineered for high-precision applications requiring exceptional performance under combined loads. Its defining characteristic is the 40° contact angle, which provides superior axial load carrying capacity in one direction while also handling significant radial loads. Manufactured to a P6 (ABEC-3) tolerance class, this bearing ensures high running accuracy and is ideal for machine tool spindles and other high-reliability machinery where high rigidity and precise rotational performance are critical.
7076 BM Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| BM | Indicates a brass cage and a 40° contact angle. The brass cage offers high strength and excellent performance at high speeds. |
7076 BM Bearing Structural Features & Performance Benefits
- High Rigidity and Load Capacity: The single row design with a steep 40° contact angle is optimized to support substantial axial loads in one direction and simultaneous radial loads, providing a stable and rigid support structure.
- Precision Performance: Built to P6 tolerance, the bearing guarantees minimal runout and high rotational accuracy, which is essential for precision machinery.
- Optimized for High-Speed Operation: The use of a durable brass cage (BM) ensures reliable performance and dimensional stability at the specified limiting speed.
- Robust Material Construction: Components made from chrome steel for both rings and balls provide high fatigue life and wear resistance, suitable for demanding operating conditions within a temperature range of -30° to 110 °C.
7076 BM Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles
- Precision Gearboxes
- Pumps and Compressors
- High-Speed Industrial Machinery
