Manufactured by CHG Bearing, the EE590689TD/591350 is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 174.625 mm bore diameter, a 342.9 mm outer diameter, and a 190.5 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.

EE590689TD/591350 - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | EE590689TD/591350 |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | Class 3 |
| Dimensions | |
| Bore Diameter (d) | 174.625 mm |
| Width (B) | 190.5 mm |
| Outer Diameter (D) | 342.9 mm |
| Bore Diameter Tolerance | 0 – +0.013 mm |
| Outside Diameter Tolerance | 0 – +0.025 mm |
| Inner Ring Chamfer | 6.4 mm |
| Outer Ring Chamfer | 3.2 mm |
| Inner Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Outer Ring Assembly Width | 187.325 mm |
| Outer Ring Assembly Width Tolerance | -0.406 – +0.406 mm |
| Shaft Abutment Diameter | 208 mm |
| Housing Abutment Diameter | 325.1 mm |
| Lubrication Hole Diameter | 6 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1300 kN |
| Basic Static Load Rating C0 (kN) | 2190 kN |
| Material | |
| Mass (kg) | 77.6 kg |
| Ring Material | Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 12 mm |
| Roller Material | Bearing Steel |
EE590689TD/591350 342.9 mm 174.625 mm Frequently Asked Questions about EE590689TD/591350 Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing EE590689TD/591350 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.
Engineered according to international ISO boundary plans, CHG Bearing supplies EE590689TD/591350 with a precision bore diameter (d) of 174.625 mm, an outside diameter (D) of 342.9 mm, and a nominal ring width (B) of 190.5 mm. This configuration yields an effective cross-sectional wall thickness of 84.1 mm and an envelope ratio (D/d) of 1.96, delivering compact rigidity for OEM machinery housings.
Quality starts with raw material selection: CHG Bearing crafts EE590689TD/591350 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
To safeguard CHG Bearing EE590689TD/591350 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (174.625 mm x 342.9 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
