Manufactured by CHG Bearing, the 1082743X3 is a precision Four-Point Contact Ball Slewing Bearings. Key dimensional parameters include a 342.9 mm bore diameter, a 635 mm outer diameter, and a 139.7 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.
1082743X3 - Four-Point Contact Ball Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 1082743X3 |
| Brand | CHG® |
| Gear Type | Gearless |
| Characteristics | |
| Bearing Type | Single-row Four-point Contact Ball Slewing Bearing |
| Row Configuration | Single-row |
| Dimensions | |
| Bore Diameter (d) | 342.9 mm |
| Width (B) | 139.7 mm |
| Outer Diameter (D) | 635 mm |
| Number of Lubrication Holes n1 | 4 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 590.55 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 425.45 mm |
| Lubrication Port Thread / Size Φ1 | 1/8-27 NPT |
| Inner Ring Mounting Hole Count n2 | 23 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 7/8-9 UNC |
| Outer Ring Mounting Hole Count n3 | 24 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 7/8-9 UNC |
| Reference Data | |
| Reference Mass (kg) | 187 kg |
1082743X3 635 mm 342.9 mm 139.7 mm 425.45 mm 590.55 mm Frequently Asked Questions about 1082743X3 Four-Point Contact Ball Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 1082743X3 over a 342.9 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.
Absolutely. The CHG Bearing 1082743X3 Four-Point Contact Ball Slewing Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 1082743X3, FAG 1082743X3, NSK 1082743X3. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
To extend the trouble-free lifespan of CHG Bearing 1082743X3, 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.
For international ocean and air freight, CHG Bearing packs 1082743X3 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.
