Manufactured by CHG Bearing, the 71848P4 is a precision Angular Contact Ball Bearings（718 / 719 SERIES）. Key dimensional parameters include a 240 mm bore diameter, a 300 mm outer diameter, and a 28 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.
71848P4 - Angular Contact Ball Bearings（718 / 719 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 71848P4 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Angular Contact Ball Bearing |
| Series | 718 |
| Seal Type | Open / Contact Seal Options |
| Load Direction | Radial |
| Row Configuration | Single Row |
| Dimensions | |
| Bore Diameter (d) | 240 mm |
| Width (B) | 28 mm |
| Outer Diameter (D) | 300 mm |
| Bore Diameter Tolerance | -0.012-0 mm |
| Outside Diameter Tolerance | -0.013-0 mm |
| Width Tolerance | -0.3-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 128 kN |
| Basic Static Radial Load Rating C0r (kN) | 175 kN |
| Limiting Speed – Grease (r/min) | 3200 r/min |
| Limiting Speed – Oil (r/min) | 4800 (r/min) |
| Material | |
| Mass (kg) | 4.1 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 | 0.03-0.095 mm |
71848P4 300 mm 240 mm 28 mm Frequently Asked Questions about 71848P4 Angular Contact Ball Bearings（718 / 719 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 71848P4, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
To extend the trouble-free lifespan of CHG Bearing 71848P4, 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.
Sourcing 71848P4 directly from CHG Bearing eliminates intermediate brokerage markups while granting you factory-direct engineering backup, rigorous ISO-certified quality assurance, competitive volume wholesale pricing, and dependable supply chain stability for Angular Contact Ball Bearings（718 / 719 SERIES）.
When fitting 71848P4 over a 240 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.
