Manufactured by CHG Bearing, the 131.50.4500.04 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.

131.50.4500.04 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 131.50.4500.04 |
| 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 | 248 mm |
| End-face Height Difference h | 53 mm |
| Number of Lubrication Holes n1 | 6 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3315 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2965 mm |
| Lubrication Port Thread / Size Φ1 | 10 |
| Inner Ring Mounting Hole Count n2 | 48 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | M36 |
| Outer Ring Mounting Hole Count n3 | 48 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | M36 |
| Gear Data | |
| Gear Module m | 18 mm |
| Gear Tip Diameter De | 2768.4 mm |
| Number of Gear Teeth z | 155 |
| Gear Face Width b | 169 mm |
| Addendum Modification Coefficient x | 0.4 |
| Reference Data | |
| Reference Mass (kg) | 4822 kg |
131.50.4500.04 4782 mm 4218 mm 270 mm 3315 mm 2965 mm Frequently Asked Questions about 131.50.4500.04 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Each 131.50.4500.04 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 (4218 mm bore side) ensures perfect planar contact without edge binding.
For international ocean and air freight, CHG Bearing packs 131.50.4500.04 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.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 131.50.4500.04. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Beyond standard alloy steel, CHG Bearing can customize the 131.50.4500.04 Three-row Cylindrical Roller Slewing Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
