Manufactured by CHG Bearing, the 2TR635A is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 635 mm bore diameter, a 990.6 mm outer diameter, and a 339.725 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.
2TR635A - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 2TR635A |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 635 mm |
| Width (B) | 339.725 mm |
| Outer Diameter (D) | 990.6 mm |
| Bore Diameter Tolerance | 0 – +0.076 mm |
| Outside Diameter Tolerance | 0 – +0.076 mm |
| Inner Ring Chamfer | SP mm |
| Outer Ring Chamfer | SP mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 176.212 mm |
| Outer Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Shaft Abutment Diameter | 690 mm |
| Housing Abutment Diameter | 780 mm |
| Lubrication Hole Diameter | 11 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 2690 kN |
| Basic Static Load Rating C0 (kN) | 8330 kN |
| Material | |
| Mass (kg) | 170 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 28 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
2TR635A 990.6 mm 635 mm Frequently Asked Questions about 2TR635A 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 2TR635A, 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 2TR635A. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 2TR635A correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
When fitting 2TR635A over a 635 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.
