7030 BGM
Single Row Angular Contact Ball Bearings
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Part No.
Part No.
7030 BGM
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
4.7 kg
Tolerance class
P6 (ABEC-3)
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
150 mm
Bore diameter tolerance
-0.018mm to 0
Outside diameter
225 mm
Outside diameter tolerance
-0.02mm to 0
Width
35 mm
Width tolerance
-0.05mm to 0
Chamfer dimension
2.1 mm
Contact angle
40 °
Distance from side face to load point
96 mm
Inner Ring Dimensions
Inner ring large-side shoulder diameter
179.4 mm
Inner ring small-side shoulder diameter
166 mm
Outer Ring Dimensions
Shoulder diameter outer ring
197.5 mm
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
29925 lbf
Radial static load rating
32850 lbf
Limiting speed
3.2 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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7030 BGM Bearing Product Overview & Core Advantages
The 7030 is a single row angular contact ball bearing engineered for high-precision applications requiring superior performance under combined loads. Designed with a 40° contact angle, it excels at carrying substantial axial loads in one direction while simultaneously handling radial loads. Manufactured to P6 (ABEC-3) tolerance class, it ensures exceptional running accuracy and rotational stability. Its open design and brass cage contribute to its suitability for high-speed operation up to 3,200 rpm, making it an ideal component for demanding industrial machinery.
7030 BGM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7030 | Standard bearing designation indicating a 150 mm bore, 225 mm OD, and 35 mm width. |
| (No Seal Suffix) | Open (non-contact) design, optimized for high-speed performance and minimal friction. |
| P6 | Tolerance class equivalent to ABEC-3, ensuring high precision in dimensions and running accuracy. |
7030 BGM Bearing Structural Features & Performance Benefits
- High Load Capacity: The 40° contact angle and robust construction provide excellent resistance to combined (radial and axial) loads, with a dynamic load rating of 29,925 lbf and a static load rating of 32,850 lbf.
- Optimized for High Speeds: The brass cage ensures dimensional stability and strength at high rotational speeds, supporting a limiting speed of 3,200 rpm.
- Precision Engineering: Manufactured to P6 tolerance with precise bore and outside diameter tolerances, guaranteeing consistent performance and ease of installation in high-accuracy assemblies.
- Superior Material: Components made from chrome steel offer high hardness, wear resistance, and long service life under demanding operating conditions.
7030 BGM Bearing Typical Application Areas
This bearing is ideally suited for applications requiring high precision and speed, including:
- Machine Tool Spindles
- Precision Gearboxes
- High-Frequency Motors
- Pumps and Compressors
- Industrial Robotics and Automation Equipment
