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DOUBLE ROW BALL BEARING MRC(SKF) 5304SBKFF
The MRC (SKF) 5304SBKFF is a double-row angular contact ball bearing in the 5300 medium series, engineered for applications requiring high radial load capacity, axial load support in both directions, and rigid shaft positioning. Compared with many single-row bearings, it provides improved stiffness and combined-load performance.
This model is commonly used in pumps, electric motors, conveyors, agricultural machinery, gear drives, and general industrial equipment.
MRC is a respected industrial bearing brand within the SKF group.
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Product Details
| Item | Specification |
|---|---|
| Model | 5304SBKFF |
| Brand | MRC / SKF |
| Bearing Type | Double-Row Angular Contact Ball Bearing |
| Series | 5300 Series |
| Bore Diameter (ID) | 20 mm |
| Outside Diameter (OD) | 52 mm |
| Width | 22.23 mm (0.875 in) |
| Rows | Double Row |
| Closure Type | Double Metal Shields |
| Contact Angle | Approx. 30° |
| Cage Material | Steel |
Standard dimensions are 20 x 52 x 22.23 mm.
Bearing Code Meaning
- 5304 = Double-row angular contact bearing, 20 mm bore
- SBK = Legacy MRC internal series designation
- FF = Double metal shields
Key Features
✅ Double-Row Construction
Provides stronger support and better shaft stability than many single-row bearings.
✅ Handles Combined Loads
Suitable for radial loads plus axial loads in both directions.
✅ Double Shielded Protection
Helps retain lubricant and reduce contamination.
✅ Compact High-Performance Design
Offers duplex-style performance in one bearing unit.
✅ Trusted Industrial Quality
MRC / SKF products are respected in maintenance and OEM markets.
Typical Applications
- Electric motors
- Water pumps
- Conveyors
- Agricultural machinery
- Gear drives
- Industrial fans
- General machinery
Technical Performance (typical reference values)
| Item | Value |
|---|---|
| Dynamic Load Rating | 5,060 lbf |
| Static Load Rating | 3,280 lbf |
| Max Speed | 12,000 rpm |
Equivalent / Similar Bearings
- SKF 5304-2Z
- NSK 5304ZZ
- NTN 5304ZZ
- MRC 5304CFF (updated legacy reference)
Always verify width, shield type, and clearance before replacement.
MRC 5304SBKFF 20X52X22.2mm.
Data sheet
- Indent (I.D.) - m.m.
- 20
- Outdent (O.D.) - m.m.
- 52
- Thickness - m.m.
- 22.23
- Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- MRC(SKF)-USA
- Item Condition
- New
Specific References
New
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The MRC (SKF) 5304SBKFF is a double-row angular contact ball bearing in the 5300 medium series, engineered for applications requiring high radial load capacity, axial load support in both directions, and rigid shaft positioning. Compared with many single-row bearings, it provides improved stiffness and combined-load performance.
This model is commonly used in pumps, electric motors, conveyors, agricultural machinery, gear drives, and general industrial equipment.
MRC is a respected industrial bearing brand within the SKF group.