Manufactured by CHG Bearing, the 131.45.2500.03K1 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2221 mm bore diameter, a 2792 mm outer diameter, and a 231 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.
131.45.2500.03K1 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 131.45.2500.03K1 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2221 mm |
| Width (B) | 231 mm |
| Outer Diameter (D) | 2792 mm |
| Inner/Outer Ring Height H1 | 163 mm |
| End-face Height Difference h | 170 mm |
| Number of Lubrication Holes n1 | 24 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3165 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2925 mm |
| Lubrication Port Thread / Size Φ1 | RC1/4 |
| Inner Ring Mounting Hole Count n2 | 48 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 24 |
| Outer Ring Mounting Hole Count n3 | 48 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 24 |
| Gear Data | |
| Gear Module m | 22 mm |
| Gear Tip Diameter De | 2794 mm |
| Number of Gear Teeth z | 127 |
| Gear Face Width b | 160 mm |
| Addendum Modification Coefficient x | 0 |
131.45.2500.03K1 2792 mm 2221 mm 3165 mm 2925 mm 231 mm Frequently Asked Questions about 131.45.2500.03K1 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 131.45.2500.03K1 Three-row Cylindrical Roller Slewing Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
Every production batch of CHG Bearing 131.45.2500.03K1 Three-row Cylindrical Roller 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges 131.45.2500.03K1 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
Beyond standard alloy steel, CHG Bearing can customize the 131.45.2500.03K1 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.
