Manufactured by CHG Bearing, the 133.45.2500.03K5 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2279 mm bore diameter, a 2721 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.
133.45.2500.03K5 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 133.45.2500.03K5 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2279 mm |
| Width (B) | 231 mm |
| Outer Diameter (D) | 2721 mm |
| Inner/Outer Ring Height H1 | 258 mm |
| End-face Height Difference h | 65 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3342 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2958 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 72 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 45 |
| Outer Ring Mounting Hole Count n3 | 72 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 45 |
| Gear Data | |
| Gear Module m | 25 mm |
| Gear Tip Diameter De | 3595 mm |
| Number of Gear Teeth z | 141 |
| Gear Face Width b | 180 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 5145 kg |
133.45.2500.03K5 2721 mm 2279 mm 3342 mm 2958 mm 231 mm Frequently Asked Questions about 133.45.2500.03K5 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
For international ocean and air freight, CHG Bearing packs 133.45.2500.03K5 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 133.45.2500.03K5, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
In its sealed configuration (Open Type), CHG Bearing pre-charges 133.45.2500.03K5 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.
Following standard ISO 281 fatigue calculation guidelines, the nominal rating life (L10) of CHG Bearing 133.45.2500.03K5 correlates its dynamic capacity (standard dynamic) with equivalent dynamic loads. In controlled industrial settings with proper contamination-free filtration, field data confirms continuous operational longevity exceeding 20,000 to 50,000 service hours.
