Manufactured by CHG Bearing, the 190KV2702 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 190 mm bore diameter, a 270 mm outer diameter, and a 190 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.

190KV2702 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 190KV2702 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 190 mm |
| Width (B) | 190 mm |
| Outer Diameter (D) | 270 mm |
| Bore Diameter Tolerance | -0.03 – 0 mm |
| Outside Diameter Tolerance | -0.035 – 0 mm |
| Inner Ring Chamfer | 1.5 min mm |
| Outer Ring Chamfer | 2.5 min mm |
| Inner Ring Assembly Width Tolerance | -0.6 – +0.6 mm |
| Outer Ring Assembly Width | 190 mm |
| Outer Ring Assembly Width Tolerance | -0.6 – +0.6 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) | 1120 kN |
| Basic Static Load Rating C0 (kN) | 2730 kN |
| Material | |
| Mass (kg) | 33.5 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 9.5 mm |
190KV2702 270 mm 190 mm 190 mm Frequently Asked Questions about 190KV2702 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
To extend the trouble-free lifespan of CHG Bearing 190KV2702, 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.
Standard batches of CHG Bearing 190KV2702 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.
In its sealed configuration (Open Type), CHG Bearing pre-charges 190KV2702 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
To match diverse operational dynamics, CHG Bearing supplies 190KV2702 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
