Manufactured by CHG Bearing, the 021.50.2500 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 2285 mm bore diameter, a 2715 mm outer diameter, and a 190 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.
021.50.2500 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 021.50.2500 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 2285 mm |
| Width (B) | 190 mm |
| Outer Diameter (D) | 2715 mm |
| End-face Height Difference h | 47 mm |
| Number of Lubrication Holes n1 | 8 |
| Ring Height H1 | 178 mm |
| Mounting Hole Diameter Φ | 33 mm |
| Performance | |
| Mounting Hole Count n | 56 |
| Tangential Tooth Force, Normalized Z (×10⁴ N) | 27.1 ×10⁴ N |
| Tangential Tooth Force, Quenched T (×10⁴ N) | 37.5 ×10⁴ N |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2649 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2351 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Gear Data | |
| Gear Module m | 18 mm |
| Gear Tip Diameter De | 2804.4 mm |
| Number of Gear Teeth z | 153 |
| Gear Face Width b | 120 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 1700 kg |
021.50.2500 2715 mm 2285 mm 190 mm 2649 mm 2351 mm Frequently Asked Questions about 021.50.2500 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 021.50.2500 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
To safeguard CHG Bearing 021.50.2500 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (2285 mm x 2715 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Standard batches of CHG Bearing 021.50.2500 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.
Absolutely. The CHG Bearing 021.50.2500 Double-Row Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 021.50.2500, FAG 021.50.2500, NSK 021.50.2500. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
