Manufactured by CHG Bearing, the 618/950 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 950 mm bore diameter, a 1150 mm outer diameter, and a 90 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.
618/950 - Deep Groove Ball Bearings（618 / 619 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 618/950 |
| 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) | 950 mm |
| Width (B) | 90 mm |
| Outer Diameter (D) | 1150 mm |
| Bore Diameter Tolerance | -0.1-0 mm |
| Outside Diameter Tolerance | -0.125-0 mm |
| Width Tolerance | -1-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 637 kN |
| Basic Static Radial Load Rating C0r (kN) | 1730 kN |
| Limiting Speed – Grease (r/min) | 290 r/min |
| Limiting Speed – Oil (r/min) | 350 (r/min) |
| Material | |
| Mass (kg) | 190 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 | P0 |
| Radial Internal Clearance | 0.150-0.350 mm |
618/950 1150 mm 950 mm 90 mm Frequently Asked Questions about 618/950 Deep Groove Ball Bearings（618 / 619 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 618/950 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Yes, 100% of 618/950 Deep Groove Ball Bearings（618 / 619 SERIES） leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 618/950, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Every production batch of CHG Bearing 618/950 Deep Groove Ball Bearings（618 / 619 SERIES） comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
