Manufactured by CHG Bearing, the 61884MA is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 420 mm bore diameter, a 520 mm outer diameter, and a 46 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.
61884MA - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61884MA |
| 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) | 420 mm |
| Width (B) | 46 mm |
| Outer Diameter (D) | 520 mm |
| Bore Diameter Tolerance | -0.027 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Width Tolerance | -0.45 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 198 kN |
| Basic Static Load Rating C0 (kN) | 295 kN |
| Material | |
| Mass (kg) | 22.8 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
61884MA 520 mm 420 mm 46 mm Frequently Asked Questions about 61884MA Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 61884MA, 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.
Each 61884MA produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (420 mm bore side) ensures perfect planar contact without edge binding.
Model 61884MA is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 420 mm) and steep thermal gradients between inner and outer rings.
For international ocean and air freight, CHG Bearing packs 61884MA 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.
