Manufactured by CHG Bearing, the 132.50.3550.03K4 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.

132.50.3550.03K4 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 132.50.3550.03K4 |
| 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 | 201 mm |
| End-face Height Difference h | 9 mm |
| Number of Lubrication Holes n1 | 9 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 3616 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 3290 mm |
| Lubrication Port Thread / Size Φ1 | ZG1/4 |
| Inner Ring Mounting Hole Count n2 | 72 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 39 |
| Outer Ring Mounting Hole Count n3 | 72 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 39 |
| Reference Data | |
| Reference Mass (kg) | 3385 kg |
132.50.3550.03K4 3290 mm 3268 mm 3616 mm 3832 mm 270 mm Frequently Asked Questions about 132.50.3550.03K4 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 132.50.3550.03K4. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Each 132.50.3550.03K4 produced in CHG Bearing manufacturing facilities features accurately profiled corner chamfers complying with DIN 5412 / ISO standard corner radii. When designing mating shafts and housing shoulders, machining an undercut or fillet radius strictly within the inner ring clearance limit (3268 mm bore side) ensures perfect planar contact without edge binding.
To safeguard CHG Bearing 132.50.3550.03K4 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (3268 mm x 3832 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
Absolutely. The CHG Bearing 132.50.3550.03K4 Three-row Cylindrical Roller Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 132.50.3550.03K4, FAG 132.50.3550.03K4, NSK 132.50.3550.03K4. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
