Manufactured by CHG Bearing, the 46T343120-1 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 170 mm bore diameter, a 310 mm outer diameter, and a 195 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.
46T343120-1 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 46T343120-1 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 350000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 4 |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 195 mm |
| Outer Diameter (D) | 310 mm |
| Bore Diameter Tolerance | 0 – +0.025 mm |
| Outside Diameter Tolerance | 0 – +0.051 mm |
| Inner Ring Chamfer | 3.5 min mm |
| Outer Ring Chamfer | 1.5 min mm |
| Inner Ring Assembly Width Tolerance | -0.508 – +0.711 mm |
| Outer Ring Assembly Width | 101.6 mm |
| Outer Ring Assembly Width Tolerance | -0.254 – +0.051 mm |
| Shaft Abutment Diameter | 279.9 mm |
| Housing Abutment Diameter | 342.6 mm |
| Lubrication Hole Diameter | 4 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 932 kN |
| Basic Static Load Rating C0 (kN) | 2480 kN |
| Material | |
| Mass (kg) | 33 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 9.5 mm |
| Roller Material | Bearing Steel |
46T343120-1 310 mm 170 mm Frequently Asked Questions about 46T343120-1 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Yes, 100% of 46T343120-1 Double 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.
For international ocean and air freight, CHG Bearing packs 46T343120-1 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.
Standard batches of CHG Bearing 46T343120-1 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.
To extend the trouble-free lifespan of CHG Bearing 46T343120-1, 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.
