Manufactured by CHG Bearing, the 173.20.0544 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 472 mm bore diameter, a 616 mm outer diameter, and a 56 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.

173.20.0544 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 173.20.0544 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 472 mm |
| Width (B) | 56 mm |
| Outer Diameter (D) | 616 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 590 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 498 mm |
| Lubrication Port Thread / Size Φ1 | 8 |
| Inner Ring Mounting Hole Count n2 | 32 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 13.5 |
| Outer Ring Mounting Hole Count n3 | 32 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 13.5 |
| Reference Data | |
| Reference Mass (kg) | 38.6 kg |
173.20.0544 616 mm 472 mm 56 mm 498 mm 590 mm Frequently Asked Questions about 173.20.0544 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Absolutely. The CHG Bearing 173.20.0544 Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 173.20.0544, FAG 173.20.0544, NSK 173.20.0544. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 173.20.0544, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
The Open Type engineered for 173.20.0544 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
For international ocean and air freight, CHG Bearing packs 173.20.0544 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
