Manufactured by CHG Bearing, the 021.25.500 is a precision Double-Row Ball Slewing Bearings. Key dimensional parameters include a 384 mm bore diameter, a 616 mm outer diameter, and a 106 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.

021.25.500 - Double-Row Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 021.25.500 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Double-Row Ball Slewing Bearing |
| Row Configuration | Double Row |
| Dimensions | |
| Bore Diameter (d) | 384 mm |
| Width (B) | 106 mm |
| Outer Diameter (D) | 616 mm |
| End-face Height Difference h | 26 mm |
| Number of Lubrication Holes n1 | 4 |
| Ring Height H1 | 96 mm |
| Mounting Hole Diameter Φ | 18 mm |
| Performance | |
| Mounting Hole Count n | 20 |
| Tangential Tooth Force, Normalized Z (×10⁴ N) | 3.7 ×10⁴ N |
| Tangential Tooth Force, Quenched T (×10⁴ N) | 5.2 ×10⁴ N |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 580 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 420 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Gear Data | |
| Gear Module m | 5 mm |
| Gear Tip Diameter De | 644 mm |
| Number of Gear Teeth z | 126 |
| Gear Face Width b | 60 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 100 kg |
021.25.500 616 mm 384 mm 106 mm 580 mm 420 mm Frequently Asked Questions about 021.25.500 Double-Row Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 021.25.500 Double-Row Ball Slewing Bearings 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.
The CHG Bearing 021.25.500 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.
Sourcing 021.25.500 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 Double-Row Ball Slewing Bearings.
For international ocean and air freight, CHG Bearing packs 021.25.500 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
