Manufactured by CHG Bearing, the 130.50.3150.12K is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2868 mm bore diameter, a 3432 mm outer diameter, and a 270 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.
130.50.3150.12K - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 130.50.3150.12K |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2868 mm |
| Width (B) | 270 mm |
| Outer Diameter (D) | 3432 mm |
| Inner/Outer Ring Height H1 | 221 mm |
| End-face Height Difference h | 19 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 4678 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 4330 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 96 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 42 |
| Outer Ring Mounting Hole Count n3 | 96 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 42 |
| Gear Data | |
| Gear Module m | 20 mm |
| Gear Tip Diameter De | 4860 mm |
| Number of Gear Teeth z | 240 |
| Gear Face Width b | 174 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 5805 kg |
130.50.3150.12K 3432 mm 2868 mm 4678 mm 4330 mm 270 mm Frequently Asked Questions about 130.50.3150.12K Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 130.50.3150.12K over a 2868 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
The Open Type engineered for 130.50.3150.12K by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
Sourcing 130.50.3150.12K 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 Three-row Cylindrical Roller Slewing Bearings.
To extend the trouble-free lifespan of CHG Bearing 130.50.3150.12K, 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.
