54308
Double Direction Thrust Ball Bearings
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Part No.
Part No.
54308
Basic Information
Bearing type
Ball
System of measurement
Metric
Weight
1.17 kg
Seal type
Open
For load direction
Thrust
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
78 mm
Outside diameter tolerance
-0.015mm to 0
Width
54.1 mm
Width tolerance
+0.15mm to -0.4mm
Ball & Washer Dimensions
Housing washer inner diameter
42 mm
Housing washer chamfer size
1 mm
Shaft washer chamfer size
0.6 mm
Performance
Temperature range
-30° to 110 °C
Axial dynamic load rating
13905 lbf
Axial static load rating
27450 lbf
Limiting speed
3 X 1000 rpm
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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54308 Bearing Product Overview & Core Advantages
The 54308 metric thrust ball bearing is engineered for demanding applications requiring exceptional axial load capacity and precision. Designed exclusively for thrust load directions, this bearing features an open design for optimal lubrication access and heat dissipation. Manufactured from high-grade chrome steel for both rings and balls, it delivers reliable performance in high-load, moderate-speed environments. Its precise dimensional tolerances ensure stable operation and easy integration into precision assemblies.
54308 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 54 | Thrust ball bearing series designation |
| 308 | Standard bore diameter code (30mm) |
| Open | No seals/shields; optimized for direct lubrication |
54308 Bearing Structural Features & Performance Benefits
- High Axial Rigidity: The single-direction thrust design provides maximum axial load capacity with 13905 lbf dynamic and 27450 lbf static ratings
- Precision Ground Components: Tight tolerances on bearing dimensions (bore: -0.01mm to 0) ensure accurate positioning and smooth operation
- Enhanced Durability: Chrome steel rings and balls combined with stainless steel cage provide excellent wear resistance and corrosion protection
- Thermal Stability: Operating temperature range of -30° to 110°C accommodates various industrial environments
- Optimized Geometry: Chamfer sizes (housing: 1mm, shaft: 0.6mm) facilitate proper installation and stress distribution
54308 Bearing Typical Application Areas
- Industrial Machinery: Vertical pumps, heavy-duty gearboxes, and crane hooks
- Power Transmission: Thrust positions in worm gear reducers and vertical shafts
- Automotive Systems: Clutch release bearings and steering column assemblies
- Construction Equipment: Jacking systems and positioning mechanisms
- Material Handling: Rotary tables and indexing devices requiring axial support
