7034 BGM
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7034 BGM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
7.65 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
170 mm
Bore diameter tolerance
-0.018mm to 0
Outside diameter
260 mm
Outside diameter tolerance
-0.025mm to 0
Width
42 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2.1 mm
Contact angle
40 °
Distance from side face to load point
111 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
205.5 mm
Inner ring small-side shoulder diameter
189.75 mm
Outer Ring Dimensions
Shoulder diameter outer ring
226.75 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
38700 lbf
Radial static load rating
45900 lbf
Limiting speed
2.8 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
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7034 BGM Bearing Product Overview & Core Advantages
The 7034 angular contact ball bearing is a precision single-row bearing engineered for applications requiring high accuracy and reliable performance under combined loads. Its defining feature is the 40° contact angle, which provides exceptional capacity to handle substantial axial loads in one direction while simultaneously supporting radial loads. Manufactured to P6 (ABEC-3) tolerance class, this bearing ensures precise running accuracy and is constructed from high-grade chrome steel for superior durability and a long service life. Its open design facilitates direct lubrication for optimal performance in demanding high-speed and high-rigidity applications.
7034 BGM Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| 7034 | Standard bearing designation indicating a metric series angular contact ball bearing with a 170 mm bore, 260 mm OD, and 42 mm width. |
| Open (No Seal/Shield suffix) | The bearing is supplied without seals or shields, allowing for high-speed operation and direct lubrication systems for optimal heat dissipation and performance. |
| P6 (Tolerance Class) | Denotes a precision tolerance class equivalent to ABEC-3, ensuring tighter dimensional control for applications requiring high running accuracy. |
7034 BGM Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The single-row design with a 40° contact angle is optimized to provide high rigidity and excellent resistance to axial loads. With a dynamic load rating of 38,700 lbf and a static load rating of 45,900 lbf, it reliably handles significant combined loads.
- Optimized for High-Speed Operation: The brass cage ensures stability and reduced friction at high rotational speeds, contributing to the bearing's limiting speed of 2,800 rpm. The open design further enhances heat dissipation.
- Precision Engineering: Manufactured to P6 precision tolerances, this bearing guarantees minimal runout and smooth operation, which is critical for high-precision spindles and machinery.
- Robust Material Construction: Both the rings and balls are made from chrome steel, providing high hardness, wear resistance, and a long operational lifespan under demanding conditions.
7034 BGM Bearing Typical Application Areas
This angular contact ball bearing is ideally suited for high-performance machinery and systems, including:
- Machine Tool Spindles
- High-Speed Pumps and Compressors
- Precision Gearboxes
- Industrial Robotics and Automation Equipment
- Agricultural and Construction Machinery
