Manufactured by CHG Bearing, the 46T30234JR/97 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 170 mm bore diameter, a 310 mm outer diameter, and a 125 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.

46T30234JR/97 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 46T30234JR/97 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 125 mm |
| Outer Diameter (D) | 310 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 6.4 min mm |
| Outer Ring Chamfer | 1.5 min mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 109.538 mm |
| Outer Ring Assembly Width Tolerance | -0.254 – +0.051 mm |
| Shaft Abutment Diameter | 291.9 mm |
| Housing Abutment Diameter | 377.8 mm |
| Lubrication Hole Diameter | 4 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1330 kN |
| Basic Static Load Rating C0 (kN) | 2930 kN |
| Material | |
| Mass (kg) | 55.4 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 9.5 mm |
| Roller Material | Bearing Steel |
46T30234JR/97 310 mm 170 mm Frequently Asked Questions about 46T30234JR/97 Double 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 46T30234JR/97, 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges 46T30234JR/97 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Engineered according to international ISO boundary plans, CHG Bearing supplies 46T30234JR/97 with a precision bore diameter (d) of 170 mm, an outside diameter (D) of 310 mm, and a nominal ring width (B) of 125 mm. This configuration yields an effective cross-sectional wall thickness of 70.0 mm and an envelope ratio (D/d) of 1.82, delivering compact rigidity for OEM machinery housings.
When fitting 46T30234JR/97 over a 170 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
