Eccentric adjustable combined bearing
4.458
Adjustable combined bearing in the 88.4 mm radial roller class for clearance-set mast guides.
Cross-reference note: WINKEL and other manufacturer designations are used for buyer identification. We manufacture compatible bearings to the confirmed drawing unless an original branded product is expressly quoted.
Specifications
4.458 technical data
| d | 45 mm |
|---|---|
| D | 88.4 mm |
| H | 57 mm |
| h | 44 mm |
| B | 30 mm |
| S | 26 mm |
| T | 59 mm |
| FixedCounterpart | 4.058 |
| Adjustment | Eccentric axial roller |
| Cr | 68 kN |
| C0r | 72 kN |
| Material | 20CrMnTi |
Selection notice: Dimensions and catalog ratings are factory reference data. Verify the controlled drawing during quotation.
4.458 cross references
Common purchasing and maintenance references include 4.458 · KB4.058 · 400-0458.
Suffixes, seals, lubrication, OD variants and mounting plates can change fit. Send the complete marking and a controlled drawing for confirmation.
Execution guidance
Eccentric adjustable design and inspection
Design function
An eccentric axial element allows guide clearance to be set after installation.
Installation and adjustment
Rotate the eccentric to the drawing-defined clearance, then secure the locking feature without preloading the guide.
Inspection focus
Verify eccentric offset, adjustment travel, locking security and free rotation across the full travel.
Application
Application and RFQ checklist
Forklift masts, heavy warehouse equipment and industrial lifting systems.
Information required for selection
- Dimensions
- d, D, H, B, S, T and plate or stud geometry
- Load
- Radial load, axial load, shock, speed and duty cycle
- Execution
- Standard, precision, fixed axial or eccentric-adjustable
- Environment
- Temperature, contamination, sealing and lubrication
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