Manufactured by CHG Bearing, the 61872 is a precision Deep Groove Ball Bearings（618 / 619 SERIES）. Key dimensional parameters include a 360 mm bore diameter, a 440 mm outer diameter, and a 38 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.
61872 - Deep Groove Ball Bearings（618 / 619 SERIES）
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61872 |
| 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) | 360 mm |
| Width (B) | 38 mm |
| Outer Diameter (D) | 440 mm |
| Bore Diameter Tolerance | -0.04-0 mm |
| Outside Diameter Tolerance | -0.045-0 mm |
| Width Tolerance | -0.4-0 mm |
| Performance | |
| Basic Dynamic Radial Load Rating Cr (kN) | 192 kN |
| Basic Static Radial Load Rating C0r (kN) | 290 kN |
| Limiting Speed – Grease (r/min) | 1100 r/min |
| Limiting Speed – Oil (r/min) | 1400 (r/min) |
| Material | |
| Mass (kg) | 11.8 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 | 0.055-0.145 mm |
61872 440 mm 360 mm 38 mm Frequently Asked Questions about 61872 Deep Groove Ball Bearings（618 / 619 SERIES）
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 61872 Deep Groove Ball Bearings（618 / 619 SERIES） is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 61872, FAG 61872, NSK 61872. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Model 61872 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 360 mm) and steep thermal gradients between inner and outer rings.
To extend the trouble-free lifespan of CHG Bearing 61872, 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 61872 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 Deep Groove Ball Bearings（618 / 619 SERIES）.
