Manufactured by CHG Bearing, the M275346TD/M275310 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 517.657 mm bore diameter, a 736.6 mm outer diameter, and a 277.813 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.

M275346TD/M275310 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M275346TD/M275310 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 517.657 mm |
| Width (B) | 277.813 mm |
| Outer Diameter (D) | 736.6 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.038 mm |
| Inner Ring Chamfer | 6.4 mm |
| Outer Ring Chamfer | 3.2 mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 258.763 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 560 mm |
| Housing Abutment Diameter | 710 mm |
| Lubrication Hole Diameter | 10 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 5290 kN |
| Basic Static Load Rating C0 (kN) | 13600 kN |
| Material | |
| Mass (kg) | 369 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 24 mm |
| Roller Material | Case-Hardened Steel / Bearing Steel |
M275346TD/M275310 736.6 mm 517.657 mm Frequently Asked Questions about M275346TD/M275310 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting M275346TD/M275310 over a 517.657 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.
Standard batches of CHG Bearing M275346TD/M275310 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
Beyond standard alloy steel, CHG Bearing can customize the M275346TD/M275310 Double Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for M275346TD/M275310. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
