Manufactured by CHG Bearing, the 61818X3 is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 90 mm bore diameter, a 120 mm outer diameter, and a 10 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.

61818X3 - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 61818X3 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Load Direction | Radial |
| Dimensions | |
| Bore Diameter (d) | 90 mm |
| Width (B) | 10 mm |
| Outer Diameter (D) | 120 mm |
| Bore Diameter Tolerance | -0.01 – 0 mm |
| Outside Diameter Tolerance | -0.01 – 0 mm |
| Width Tolerance | -0.2 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 19.5 kN |
| Basic Static Load Rating C0 (kN) | 20.5 kN |
| Material | |
| Mass (kg) | 0.295 kg |
| Ring Material | Bearing Steel |
| Cage Material | Grade 10 Steel |
| Ball Material | Bearing Steel |
61818X3 120 mm 90 mm 10 mm Frequently Asked Questions about 61818X3 Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 61818X3, 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 61818X3, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Each 61818X3 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (90 mm bore side) ensures perfect planar contact without edge binding.
Model 61818X3 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 90 mm) and steep thermal gradients between inner and outer rings.
