Manufactured by CHG Bearing, the 7397/1833 is a precision Three-row Cylindrical Roller Slewing Bearings. Key dimensional parameters include a 1833 mm bore diameter, a 2427 mm outer diameter, and a 206 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.
7397/1833 - Three-row Cylindrical Roller Slewing Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 7397/1833 |
| Brand | CHG® |
| Gear Type | External Gear |
| Characteristics | |
| Bearing Type | Three-row Cylindrical Roller Slewing Bearing |
| Row Configuration | Three-row |
| Dimensions | |
| Bore Diameter (d) | 1833 mm |
| Width (B) | 206 mm |
| Outer Diameter (D) | 2427 mm |
| Inner/Outer Ring Height H1 | 219 mm |
| End-face Height Difference h | 54 mm |
| Number of Lubrication Holes n1 | 8 |
| Mounting Dimensions | |
| Outer Ring Mounting Hole P.C.D. D1 | 2955 mm |
| Inner Ring Mounting Hole P.C.D. D2 | 2645 mm |
| Lubrication Port Thread / Size Φ1 | M10×1 |
| Inner Ring Mounting Hole Count n2 | 72 |
| Inner Ring Mounting Hole Specification Φ2 (Ø / Thread) | 33 |
| Outer Ring Mounting Hole Count n3 | 72 |
| Outer Ring Mounting Hole Specification Φ3 (Ø / Thread) | 33 |
| Gear Data | |
| Gear Module m | 18 mm |
| Gear Tip Diameter De | 3110.4 mm |
| Number of Gear Teeth z | 170 |
| Gear Face Width b | 160 mm |
| Addendum Modification Coefficient x | 0.5 |
| Reference Data | |
| Reference Mass (kg) | 3040 kg |
7397/1833 2427 mm 1833 mm 2955 mm 2645 mm 206 mm Frequently Asked Questions about 7397/1833 Three-row Cylindrical Roller Slewing Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 7397/1833, 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 7397/1833, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
Standard batches of CHG Bearing 7397/1833 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.
The CHG Bearing 7397/1833 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
