Manufactured by CHG Bearing, the M249749H/M249710X is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 254 mm bore diameter, a 358.775 mm outer diameter, and a N/A 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.

M249749H/M249710X - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | M249749H/M249710X |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 254 mm |
| Width (B) | N/A mm |
| Outer Diameter (D) | 358.775 mm |
| Outer Ring Width C | 53.975 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 3.5 min mm |
| Outer Ring Chamfer | 3.3 min mm |
| Shaft Abutment Diameter | 274 mm |
| Housing Abutment Diameter | 335 mm |
| Overall Bearing Width Tolerance | N/A mm |
| Inner Ring Width B | 71.438 mm |
| Inner Ring Width Tolerance | N/A mm |
| Outer Ring Width Tolerance | N/A mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 810 kN |
| Basic Static Load Rating C0 (kN) | 1650 kN |
| Material | |
| Mass (kg) | 21.7 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel |
M249749H/M249710X 358.775 mm 254 mm N/A mm Frequently Asked Questions about M249749H/M249710X Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing M249749H/M249710X Single Row Tapered Roller Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF M249749H/M249710X, FAG M249749H/M249710X, NSK M249749H/M249710X. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Standard batches of CHG Bearing M249749H/M249710X 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.
For international ocean and air freight, CHG Bearing packs M249749H/M249710X with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Beyond standard alloy steel, CHG Bearing can customize the M249749H/M249710X Single 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.
