Manufactured by CHG Bearing, the 131.50.4500.03 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 4218 mm bore diameter, a 4782 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.
131.50.4500.03 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 131.50.4500.03 |
| Brand | CHG® |
| Gear Type | Internal Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 4218 mm |
| Width (B) | 270 mm |
| Outer Diameter (D) | 4782 mm |
| Inner/Outer Ring Height H1 | 258 mm |
| End-face Height Difference h | 50 mm |
| Number of Lubrication Holes n1 | 10 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3325 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2950 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 80 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 45 |
| Outer Ring Mounting Hole Count n3 | 80 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 45 |
| Gear Data | |
| Gear Module m | 24 mm |
| Gear Tip Diameter De | 2736 mm |
| Number of Gear Teeth z | 115 |
| Gear Face Width b | 213 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 5028 kg |
131.50.4500.03 4782 mm 4218 mm 270 mm 3325 mm 2950 mm Frequently Asked Questions about 131.50.4500.03 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 131.50.4500.03, 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.
To match diverse operational dynamics, CHG Bearing supplies 131.50.4500.03 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.
To ensure optimum performance of CHG Bearing 131.50.4500.03 Three-row Cylindrical Roller Slewing Bearings under general rotational loads, our application engineers advise an inner-ring shaft tolerance of m5 or k5 for the 4218 mm bore. For the 4782 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
Built for demanding industrial environments, the 131.50.4500.03 Three-row Cylindrical Roller Slewing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
