Manufactured by CHG Bearing, the 618/800P4 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 800 mm bore diameter, a 980 mm outer diameter, and a 82 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.
618/800P4 - Deep Groove Ball Bearings（618 / 619 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 618/800P4 |
| 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) | 800 mm |
| Width (B) | 82 mm |
| Outer Diameter (D) | 980 mm |
| Bore Diameter Tolerance | / mm |
| Outside Diameter Tolerance | / mm |
| Width Tolerance | / mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 530 kN |
| Basic Static Radial Load Rating C0r (kN) | 1310 kN |
| Limiting Speed – Grease (r/min) | 450 r/min |
| Limiting Speed – Oil (r/min) | 530 (r/min) |
| Material | |
| Mass (kg) | 132 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 | 0.120-0.290 mm |
618/800P4 980 mm 800 mm 82 mm Frequently Asked Questions about 618/800P4 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 618/800P4, 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 618/800P4 over a 800 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 618/800P4 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.
To safeguard CHG Bearing 618/800P4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (800 mm x 980 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
