31305/DF
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Overview |
|
| Part Number | 31305/DF |
Characteristics |
|
| System of Measurement | Metric |
| Bearing Type | Roller |
| Roller Bearing Type | Tapered |
| Type | Bearing |
| Seal Type | Open |
| Cups Type | Standard |
| For Load Direction | Combined |
| Construction | Matched |
| ABEC Rating | ABEC-1 |
Dimensions |
|
| Bore Dia | 25 mm |
| Bore Dia Tolerance | -0.012mm to 0 |
| Outer Dia | 62 mm |
| Outer Dia Tolerance | -0.016mm to 0 |
| Total Width | 36.5 mm |
| Total Width Tolerance | +0.2mm to 0 |
| Width Of Inner Rings | 34 mm |
| Width Of Inner Rings Tolerance | -0.1mm to 0 |
| Width Of Lubrication Groove | 5 mm |
| Fillet Radius | max.1.5 mm |
| Chamfer Dimension Outer Ring | min.1.5 mm |
| Chamfer Dimension Inner Ring | min.0.6 mm |
| Abutment Diameter Shaft | 34 mm |
| Abutment Diameter Housing | 34 mm |
| Diameter Of Lubrication Hole | 4 mm |
Material |
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| Ring Material | Chrome Steel |
| Roller Material | Chrome Steel |
| Cage Material | Steel |
Performance |
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| Dynamic Radial Load | 17978 lbf |
| Static Radial Load | 18000 lbf |
| Fatigue Load Limit | 1946.25 lbf |
| Radial Clearance | Standard (Available in C3/C4/C5) |
| Reference Speed | 6700 r/min |
| Limiting Speed | 11000 r/min |
| Temperature Range | -30° to 110 °C |
Properties |
|
| Lubrication | Required |
| RoHS | Compliant |
| REACH | Compliant |
| Weight | 1.21 lb |
Design Features of 31305/DF Bearing
31305/DF features pairs of tapered rollers arranged to provide optimized load distribution, enhancing performance in both radial and axial directions. 31305/DF outer dia is 62 mm. Its bore dia is 25 mm. Its design allows for precise adjustment of internal clearance and preload, ensuring improved stability and reliability in high-load applications.
What Benefits Can 31305/DF Bearing Provide?
- Enhanced Load Capacity: Their design allows for improved distribution of loads, enabling them to handle higher radial and axial forces effectively.
- Improved Stability: The precise matching of the bearings ensures consistent performance and stability under varying loads and operating conditions.
- Adjustable Internal Clearance: Users can customize the internal clearance and preload to suit specific application requirements, optimizing performance.
- Reduced Friction: The tapered roller design minimizes friction between moving parts, leading to smoother operation and extended service life.
- Versatile Applications: Suitable for a wide range of applications, from automotive to industrial machinery, due to their adaptability to different load and speed conditions.
What Can 31305/DF Bearing Be Used for?
- Automotive: Utilized in wheel hubs, differentials, and transmission systems to support heavy loads and provide accurate alignment.
- Industrial Machinery: Found in gearboxes, conveyors, and pumps, where they manage both radial and axial loads effectively.
- Aerospace: Employed in aircraft landing gear and other critical components that require high reliability and performance under heavy loads.
- Heavy Equipment: Used in construction and mining machinery to ensure stability and support in harsh operating conditions.
- Railway: Applied in train axle boxes to handle the substantial loads and forces experienced during operation.
