Manufactured by CHG Bearing, the 61810P4 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 50 mm bore diameter, a 65 mm outer diameter, and a 7 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.
61810P4 - Deep Groove Ball Bearings（618 / 619 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61810P4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open / Contact Seal Options |
| Load Direction | Radial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 50 mm |
| Width (B) | 7 mm |
| Outer Diameter (D) | 65 mm |
| Bore Diameter Tolerance | -0.006-0 mm |
| Outside Diameter Tolerance | -0.007-0 mm |
| Width Tolerance | -0.12-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 6.4 kN |
| Basic Static Radial Load Rating C0r (kN) | 6.2 kN |
| Limiting Speed – Grease (r/min) | 9500 r/min |
| Limiting Speed – Oil (r/min) | 11000 (r/min) |
| Material | |
| Mass (kg) | 0.05 kg |
| Ring Material | Stainless Steel / Bearing Steel |
| Cage Material | Brass / PEEK / Polyimide / Phenolic Resin Fabric Laminate |
| Ball Material | Stainless Steel / Bearing Steel / Ceramic |
| Operating Temperature Range (°C) | -50 to +100 °C |
| Precision Class | P4 |
| Radial Internal Clearance | 0.006-0.023 mm |
61810P4 65 mm 50 mm 7 mm Frequently Asked Questions about 61810P4 Deep Groove Ball Bearings（618 / 619 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 61810P4, 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.
When fitting 61810P4 over a 50 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.
Quality starts with raw material selection: CHG Bearing crafts 61810P4 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 61810P4. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
