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BALL BEARING SCHATZ BR9902A
The SCHATZ BR9902A is a single-row deep groove ball bearing in a precision-ground inch series, manufactured by SCHATZ, a historic American producer known for high-precision bearings used in aerospace, instrumentation, and specialty machinery.
The BR9902A is a compact radial bearing designed for applications requiring smooth rotation, dimensional accuracy, quiet operation, and dependable performance in small mechanical assemblies.
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Product Details (based on BR9902 / BR9902A family references)
| Item | Specification |
|---|---|
| Model | BR9902A |
| Brand | SCHATZ |
| Bearing Type | Deep Groove Ball Bearing |
| Unit System | Inch Series |
| Bore Diameter (ID) | 0.250 in (1/4") |
| Outside Diameter (OD) | 0.6875 in (11/16") |
| Width | 0.313 in (5/16") |
| Rows | Single Row |
| Design | Precision Ground |
| Material | Hardened Bearing Steel |
Bearing Code Meaning
- BR = Ball Radial Bearing Series
- 9902 = Manufacturer size code
- A = Revision / updated suffix depending production batch
Key Features
✅ Precision Performance
Suitable for low runout and smooth rotational accuracy.
✅ Compact Size
Ideal for small mechanisms and limited installation space.
✅ Quiet Smooth Operation
Well suited for instruments and control assemblies.
✅ U.S. Precision Heritage
SCHATZ bearings are respected in specialty engineering fields.
✅ Exact Replacement Value
Often needed for OEM repairs and legacy equipment.
Typical Applications
- Measuring instruments
- Servo systems / actuators
- Control equipment
- Small machinery
- Aerospace legacy systems
- Imported machinery repair
- Precision assemblies
Equivalent / Similar Bearings
- SCHATZ BR9902
- Inch-size bearing: 1/4" x 11/16" x 5/16"
- Specialty precision radial bearings
Exact replacement is recommended for this type of bearing.
BR9902A 0.25X0.687X0.313inch.
Data sheet
- Indent (I.D.) - inch
- 0.250
- Outdent (O.D.) - inch
- 0.6875
- Thinkness - inch
- 0.313
- Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- SCHATZ-USA
- Item Condition
- New
Specific References
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The SCHATZ BR9902A is a single-row deep groove ball bearing in a precision-ground inch series, manufactured by SCHATZ, a historic American producer known for high-precision bearings used in aerospace, instrumentation, and specialty machinery.
The BR9902A is a compact radial bearing designed for applications requiring smooth rotation, dimensional accuracy, quiet operation, and dependable performance in small mechanical assemblies.