Manufactured by CHG Bearing, the 010.30.900.12 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 778 mm bore diameter, a 1022 mm outer diameter, and a 100 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.

010.30.900.12 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 010.30.900.12 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 778 mm |
| Width (B) | 100 mm |
| Outer Diameter (D) | 1022 mm |
| Number of Lubrication Holes n1 | 6 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 978 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 822 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 30 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 22 |
| Outer Ring Mounting Hole Count n3 | 30 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 22 |
| Reference Data | |
| Reference Mass (kg) | 203 kg |
010.30.900.12 1022 mm 778 mm 100 mm 822 mm 978 mm Frequently Asked Questions about 010.30.900.12 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Every production batch of CHG Bearing 010.30.900.12 Four-Point Contact 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.
Each 010.30.900.12 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 (778 mm bore side) ensures perfect planar contact without edge binding.
Model 010.30.900.12 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 778 mm) and steep thermal gradients between inner and outer rings.
For international ocean and air freight, CHG Bearing packs 010.30.900.12 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.
