Manufactured by CHG Bearing, the 132.40.3730.03 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 3508 mm bore diameter, a 3918 mm outer diameter, and a 250 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.
132.40.3730.03 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 132.40.3730.03 |
| Brand | CHG® |
| Gear Type | Internal Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 3508 mm |
| Width (B) | 250 mm |
| Outer Diameter (D) | 3918 mm |
| Inner/Outer Ring Height H1 | 140 mm |
| End-face Height Difference h | 20 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2255 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 1990 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 40 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 37.5 |
| Outer Ring Mounting Hole Count n3 | 30 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 37.5 |
| Gear Data | |
| Gear Module m | 14 mm |
| Gear Tip Diameter De | 1821.6 mm |
| Number of Gear Teeth z | 132 |
| Gear Face Width b | 110 mm |
| Addendum Modification Coefficient x | 0 |
| Reference Data | |
| Reference Mass (kg) | 1551 kg |
132.40.3730.03 3918 mm 3508 mm 250 mm 2255 mm 1990 mm Frequently Asked Questions about 132.40.3730.03 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Sourcing 132.40.3730.03 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.
To safeguard CHG Bearing 132.40.3730.03 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (3508 mm x 3918 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
The CHG Bearing 132.40.3730.03 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
To ensure optimum performance of CHG Bearing 132.40.3730.03 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 3508 mm bore. For the 3918 mm outer ring, an H7 or J7 housing bore fit is recommended to eliminate creep while accommodating normal thermal gradient expansion.
