Manufactured by CHG Bearing, the 511-30013 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 210 mm bore diameter, a 420 mm outer diameter, and a 53 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.
511-30013 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 511-30013 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 210 mm |
| Width (B) | 53 mm |
| Outer Diameter (D) | 420 mm |
| Number of Lubrication Holes n1 | 1 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 360 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 250 mm |
| Lubrication Port Thread / Size Φ1 | 8 |
| Inner Ring Mounting Hole Count n2 | 8 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 16 |
| Outer Ring Mounting Hole Count n3 | 12 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 17 |
| Gear Data | |
| Gear Module m | 3 mm |
| Gear Tip Diameter De | 414 mm |
| Number of Gear Teeth z | 138 |
| Gear Face Width b | 45 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 40 kg |
511-30013 420 mm 360 mm 210 mm 53 mm 250 mm Frequently Asked Questions about 511-30013 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 511-30013 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.
To match diverse operational dynamics, CHG Bearing supplies 511-30013 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 511-30013 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 extend the trouble-free lifespan of CHG Bearing 511-30013, 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.
