Manufactured by CHG Bearing, the 112.40.2800.12K is a precision Crossed Roller Slewing Bearings. Key dimensional parameters include a 2625 mm bore diameter, a mm outer diameter, and a 150 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.
112.40.2800.12K - Crossed Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 112.40.2800.12K |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Crossed Roller Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 2625 mm |
| Width (B) | 150 mm |
| Inner/Outer Ring Height H1 | 100 mm |
| End-face Height Difference h | 12 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2910 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2691 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 56 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 33 |
| Outer Ring Mounting Hole Count n3 | 56 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 33 |
| Gear Data | |
| Gear Module m | 22 mm |
| Gear Tip Diameter De | 3388 mm |
| Number of Gear Teeth z | 151 |
| Gear Face Width b | 150 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 2780 kg |
112.40.2800.12K mm 2625 mm 150 mm 2910 mm 2691 mm Frequently Asked Questions about 112.40.2800.12K Crossed Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To safeguard CHG Bearing 112.40.2800.12K against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (2625 mm x mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The CHG Bearing 112.40.2800.12K 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 extend the trouble-free lifespan of CHG Bearing 112.40.2800.12K, 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.
For international ocean and air freight, CHG Bearing packs 112.40.2800.12K 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.
