Manufactured by CHG Bearing, the 131.40.3145.03 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 2885 mm bore diameter, a 3400 mm outer diameter, and a 229 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.
131.40.3145.03 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 131.40.3145.03 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 2885 mm |
| Width (B) | 229 mm |
| Outer Diameter (D) | 3400 mm |
| Inner/Outer Ring Height H1 | 128 mm |
| End-face Height Difference h | 12 mm |
| Number of Lubrication Holes n1 | 5 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2480 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2215 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 50 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 40 |
| Outer Ring Mounting Hole Count n3 | 50 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 40 |
| Reference Data | |
| Reference Mass (kg) | 1488 kg |
131.40.3145.03 2215 mm 2885 mm 2480 mm 3400 mm 229 mm Frequently Asked Questions about 131.40.3145.03 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Built for demanding industrial environments, the 131.40.3145.03 Three-row Cylindrical Roller Slewing Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
To extend the trouble-free lifespan of CHG Bearing 131.40.3145.03, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
When fitting 131.40.3145.03 over a 2885 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.
To safeguard CHG Bearing 131.40.3145.03 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (2885 mm x 3400 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
