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BALL BEARING BCA(NTN) 305FS
The BCA (NTN) 305FS is a single-row deep groove ball bearing using a legacy industrial numbering system from BCA Bearings, a historic American bearing brand later associated with NTN in several markets. The base code 305 is commonly cross-referenced to the standard 6305 series, while the suffix FS typically indicates a factory-specific shielded or sealed variation.
This bearing is designed for applications requiring smooth rotation, reliable load support, partial contamination protection, and dependable continuous service.
It is commonly used in electric motors, pumps, conveyors, agricultural machinery, fans, and general maintenance applications.
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Product Details (commonly cross-referenced to 6305 family)
| Item | Specification |
|---|---|
| Model | 305FS |
| Brand | BCA / NTN |
| Bearing Type | Deep Groove Ball Bearing |
| Cross Reference Series | 6305 |
| Bore Diameter (ID) | 25 mm |
| Outside Diameter (OD) | 62 mm |
| Width | 17 mm |
| Rows | Single Row |
| Closure Type | Shield / Seal Special Variant |
| Cage Material | Steel |
Common reference dimensions are 25 x 62 x 17 mm.
Bearing Code Meaning (approximate legacy interpretation)
- 305 = Legacy designation commonly matched to 6305
- FS = Factory shield / seal special suffix
Exact suffix meaning may differ by production batch.
Key Features
✅ Popular Standard Size
Cross-referenced to the widely used 6305 family.
✅ Good Load Capacity
Suitable for medium radial loads and moderate axial loads.
✅ Smooth Continuous Operation
Ideal for motors and rotating equipment.
✅ Added Protection
Shield/seal style helps retain grease and reduce contamination.
✅ Trusted Manufacturing Heritage
NTN is globally recognized for bearing quality.
Typical Applications
- Electric motors
- Water pumps
- Conveyors
- Agricultural machinery
- Fans / blowers
- Light industrial equipment
- General maintenance replacement use
Equivalent / Similar Bearings
- SKF 6305-Z / 6305-2Z
- NTN 6305ZZ / 6305LL
- NSK 6305ZZ
- FAG 6305-Z
Always verify seal/shield type, clearance, and dimensions before replacement.
BCA(NTN) 305FS 25X62X17mm.
Data sheet
- Inside Diameter (I.D.) - m.m.
- Outside Diameter (O.D.) - m.m.
- Thickness - m.m.
- Material
- BEARING STEEL
- Cover Material
- BEARING STEEL
- Brand
- BCA(NTN)-JAPAN
- Item Condition
- New
Specific References
New
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The BCA (NTN) 305FS is a single-row deep groove ball bearing using a legacy industrial numbering system from BCA Bearings, a historic American bearing brand later associated with NTN in several markets. The base code 305 is commonly cross-referenced to the standard 6305 series, while the suffix FS typically indicates a factory-specific shielded or sealed variation.
This bearing is designed for applications requiring smooth rotation, reliable load support, partial contamination protection, and dependable continuous service.
It is commonly used in electric motors, pumps, conveyors, agricultural machinery, fans, and general maintenance applications.