Manufactured by CHG Bearing, the 61884M 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.
61884M - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61884M |
| 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) | 251 kN |
| Basic Static Load Rating C0 (kN) | 393 kN |
| Material | |
| Mass (kg) | 21.6 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
61884M 520 mm 420 mm 46 mm Frequently Asked Questions about 61884M Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 61884M with a precision bore diameter (d) of 420 mm, an outside diameter (D) of 520 mm, and a nominal ring width (B) of 46 mm. This configuration yields an effective cross-sectional wall thickness of 50.0 mm and an envelope ratio (D/d) of 1.24, delivering compact rigidity for OEM machinery housings.
To safeguard CHG Bearing 61884M against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (420 mm x 520 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
When fitting 61884M over a 420 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 61884M 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.
