Manufactured by CHG Bearing, the 133.45.3550.04 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a mm bore diameter, a 3788 mm outer diameter, and a 233 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.
133.45.3550.04 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 133.45.3550.04 |
| Brand | CHG® |
| Gear Type | Internal Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Width (B) | 233 mm |
| Outer Diameter (D) | 3788 mm |
| Inner/Outer Ring Height H1 | 221 mm |
| End-face Height Difference h | 54 mm |
| Number of Lubrication Holes n1 | 20 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3710 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3385 mm |
| Lubrication Port Thread / Size Φ1 | M12 |
| Inner Ring Mounting Hole Count n2 | 80 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 39 |
| Outer Ring Mounting Hole Count n3 | 80 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 39 |
| Gear Data | |
| Gear Module m | 22 mm |
| Gear Tip Diameter De | 3190.6 mm |
| Number of Gear Teeth z | 146 |
| Gear Face Width b | 179 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 4272 kg |
133.45.3550.04 3788 mm mm 233 mm 3710 mm 3385 mm Frequently Asked Questions about 133.45.3550.04 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 133.45.3550.04 over a 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.
Sourcing 133.45.3550.04 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.
Beyond standard alloy steel, CHG Bearing can customize the 133.45.3550.04 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 133.45.3550.04, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
