Manufactured by CHG Bearing, the 67390DF/22F/22DFC2P5 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 133.35 mm bore diameter, a 196.85 mm outer diameter, and a 193.675 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

67390DF/22F/22DFC2P5 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 67390DF/22F/22DFC2P5 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 133.35 mm |
| Width (B) | 193.675 mm |
| Outer Diameter (D) | 196.85 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.013 mm |
| Inner Ring Chamfer | 2.1 min mm |
| Outer Ring Chamfer | 2.1 min mm |
| Inner Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Outer Ring Assembly Width | 193.675 mm |
| Outer Ring Assembly Width Tolerance | -1.524 – +1.524 mm |
| Shaft Abutment Diameter | 142 mm |
| Housing Abutment Diameter | 180 mm |
| Lubrication Hole Diameter | 4 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 794 kN |
| Basic Static Load Rating C0 (kN) | 1930 kN |
| Material | |
| Mass (kg) | 19.2 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Grade 10 Steel |
| Lubrication Groove Width | 6.5 mm |
67390DF/22F/22DFC2P5 196.85 mm 133.35 mm 193.675 mm Frequently Asked Questions about 67390DF/22F/22DFC2P5 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 67390DF/22F/22DFC2P5, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
Engineered according to international ISO boundary plans, CHG Bearing supplies 67390DF/22F/22DFC2P5 with a precision bore diameter (d) of 133.35 mm, an outside diameter (D) of 196.85 mm, and a nominal ring width (B) of 193.675 mm. This configuration yields an effective cross-sectional wall thickness of 31.8 mm and an envelope ratio (D/d) of 1.48, delivering compact rigidity for OEM machinery housings.
The CHG Bearing 67390DF/22F/22DFC2P5 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
To safeguard CHG Bearing 67390DF/22F/22DFC2P5 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (133.35 mm x 196.85 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
