Manufactured by CHG Bearing, the 47T342318 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 170 mm bore diameter, a 230 mm outer diameter, and a 175 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.
47T342318 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 47T342318 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 175 mm |
| Outer Diameter (D) | 230 mm |
| Bore Diameter Tolerance | -0.025 – 0 mm |
| Outside Diameter Tolerance | -0.03 – 0 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 2.5 min mm |
| Inner Ring Assembly Width Tolerance | -0.5 – +0.5 mm |
| Outer Ring Assembly Width | 175 mm |
| Outer Ring Assembly Width Tolerance | -0.5 – +0.5 mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Lubrication Hole Diameter | 4 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 802 kN |
| Basic Static Load Rating C0 (kN) | 2240 kN |
| Material | |
| Mass (kg) | 20.3 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 9.5 mm |
47T342318 230 mm 170 mm 175 mm Frequently Asked Questions about 47T342318 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 47T342318 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.
Beyond standard alloy steel, CHG Bearing can customize the 47T342318 Four-Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
Yes, 100% of 47T342318 Four-Row Tapered Roller Bearings leaving CHG Bearing production lines are subjected to multi-frequency Anderometer sound testing. All units satisfy baseline Z1V1 levels, with dedicated quiet-running electric motor quality (EMQ) lots certified to Z2V2 and Z3V3 standards for silent machinery integration.
To extend the trouble-free lifespan of CHG Bearing 47T342318, 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.
