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RU42
BWK
BWK-RU42
RU42 is an open single-row crossed roller bearing. Its integrated inner and outer rings and factory-machined mounting holes support compact, rigid installation for combined radial, axial and moment loads.
| Model | RU42 |
|---|---|
| Bearing type | Single-row crossed roller bearing |
| Seal type | Open |
| Load direction | Combined |
| Mounting design | With Holes |
| Bore diameter | 20 mm |
| Outside diameter | 70 mm |
| Width | 12 mm |
| Inner ring mounting holes | 6-M3 through |
| Outer ring mounting holes | 6-φ3.4 through φ6.5 counter bore depth 3.3 |
| Inner ring PCD | 28 mm |
| Outer ring PCD | 57 mm |
| Ring material | Steel |
| Roller material | Steel |
| Basic dynamic load rating C | 7.35 kN |
| Basic static load rating Co | 8.35 kN |
| Temperature range | 0 -230 °F |
| Lubrication | Required |
| Weight | 0.29 kg |
Crossed roller arrangement for high rigidity and rotational accuracy
Supports radial, axial and moment loads in one compact bearing
Integrated mounting holes simplify surrounding structure and assembly
Open design allows application-specific lubrication and servicing
Industrial robots and rotary joints
Machine-tool rotary tables
Precision indexing and positioning equipment
Inspection, optical and automation systems
Confirm mounting-hole layout, fits, load, accuracy, lubrication and operating temperature before ordering. Product drawings should be used for final installation dimensions.
BWK provides reliable bearing solutions for industrial and agricultural applications, supported by stable supply, strict quality control and flexible OEM & ODM services.
