Manufactured by CHG Bearing, the 130.40.3550.03 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 3312 mm bore diameter, a 3840 mm outer diameter, and a 220 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.
130.40.3550.03 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 130.40.3550.03 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 3312 mm |
| Width (B) | 220 mm |
| Outer Diameter (D) | 3840 mm |
| Inner/Outer Ring Height H1 | 355 mm |
| End-face Height Difference h | 0 mm |
| Number of Lubrication Holes n1 | 18 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 4210 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3750 mm |
| Lubrication Port Thread / Size Φ1 | M16×1.5 |
| Inner Ring Mounting Hole Count n2 | 90 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 48 |
| Outer Ring Mounting Hole Count n3 | 90 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 48 |
| Reference Data | |
| Reference Mass (kg) | 9503 kg |
130.40.3550.03 3750 mm 3312 mm 4210 mm 3840 mm 220 mm Frequently Asked Questions about 130.40.3550.03 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Model 130.40.3550.03 is manufactured by CHG Bearing in standard Normal clearance (CN) for ambient temperature transmission, and C3 or C4 clearance for heavy duty applications. C3 clearance compensates for radial shrinkage caused by tight shaft press-fits (bore 3312 mm) and steep thermal gradients between inner and outer rings.
When fitting 130.40.3550.03 over a 3312 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 extend the trouble-free lifespan of CHG Bearing 130.40.3550.03, 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.
Standard batches of CHG Bearing 130.40.3550.03 conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
