Manufactured by CHG Bearing, the 741MB is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 205 mm bore diameter, a 282 mm outer diameter, and a 38 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.
741MB - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 741MB |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Load Direction | Radial |
| Dimensions | |
| Bore Diameter (d) | 205 mm |
| Width (B) | 38 mm |
| Outer Diameter (D) | 282 mm |
| Bore Diameter Tolerance | -0.015 – 0 mm |
| Outside Diameter Tolerance | -0.018 – 0 mm |
| Width Tolerance | -0.3 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 139 kN |
| Basic Static Load Rating C0 (kN) | 157 kN |
| Material | |
| Mass (kg) | 7.32 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
741MB 282 mm 205 mm 38 mm Frequently Asked Questions about 741MB Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Beyond standard alloy steel, CHG Bearing can customize the 741MB Deep Groove Ball 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 741MB, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
When fitting 741MB over a 205 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.
The Open engineered for 741MB by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
