Manufactured by CHG Bearing, the 61856MB is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 280 mm bore diameter, a 350 mm outer diameter, and a 33 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.
61856MB - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61856MB |
| 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) | 280 mm |
| Width (B) | 33 mm |
| Outer Diameter (D) | 350 mm |
| Bore Diameter Tolerance | -0.018 – 0 mm |
| Outside Diameter Tolerance | -0.02 – 0 mm |
| Width Tolerance | -0.35 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 119 kN |
| Basic Static Load Rating C0 (kN) | 162 kN |
| Material | |
| Mass (kg) | 7.37 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
61856MB 350 mm 280 mm 33 mm Frequently Asked Questions about 61856MB Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 61856MB against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (280 mm x 350 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing 61856MB Deep Groove Ball Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 61856MB, FAG 61856MB, NSK 61856MB. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
For international ocean and air freight, CHG Bearing packs 61856MB 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.
To extend the trouble-free lifespan of CHG Bearing 61856MB, 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.
