Manufactured by CHG Bearing, the 131.50.3550.04 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 3268 mm bore diameter, a 3832 mm outer diameter, and a 270 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.
131.50.3550.04 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 131.50.3550.04 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 3268 mm |
| Width (B) | 270 mm |
| Outer Diameter (D) | 3832 mm |
| Inner/Outer Ring Height H1 | 149 mm |
| End-face Height Difference h | 30 mm |
| Number of Lubrication Holes n1 | 9 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3200 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2905 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 68 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 33 |
| Outer Ring Mounting Hole Count n3 | 68 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 33 |
| Reference Data | |
| Reference Mass (kg) | 2016 kg |
131.50.3550.04 2905 mm 3268 mm 3200 mm 3832 mm 270 mm Frequently Asked Questions about 131.50.3550.04 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 131.50.3550.04 Three-row Cylindrical Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 131.50.3550.04, FAG 131.50.3550.04, NSK 131.50.3550.04. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To match diverse operational dynamics, CHG Bearing supplies 131.50.3550.04 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 131.50.3550.04. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
In its sealed configuration (Open Type), CHG Bearing pre-charges 131.50.3550.04 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.
