Manufactured by CHG Bearing, the HH234032D/HH234018 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 139.7 mm bore diameter, a 317.5 mm outer diameter, and a 161.925 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.
HH234032D/HH234018 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | HH234032D/HH234018 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 139.7 mm |
| Width (B) | 161.925 mm |
| Outer Diameter (D) | 317.5 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 6.7 mm |
| Outer Ring Chamfer | 13.5 mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 171.45 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 187.3 mm |
| Housing Abutment Diameter | 299.1 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1740 kN |
| Basic Static Load Rating C0 (kN) | 2900 kN |
| Material | |
| Mass (kg) | 68.1 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
HH234032D/HH234018 317.5 mm 139.7 mm Frequently Asked Questions about HH234032D/HH234018 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the HH234032D/HH234018 Double Row Tapered Roller Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
When fitting HH234032D/HH234018 over a 139.7 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.
As standard production, CHG Bearing subjects HH234032D/HH234018 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Engineered according to international ISO boundary plans, CHG Bearing supplies HH234032D/HH234018 with a precision bore diameter (d) of 139.7 mm, an outside diameter (D) of 317.5 mm, and a nominal ring width (B) of 161.925 mm. This configuration yields an effective cross-sectional wall thickness of 88.9 mm and an envelope ratio (D/d) of 2.27, delivering compact rigidity for OEM machinery housings.
