Manufactured by CHG Bearing, the 234438 is a precision Tapered Roller Thrust Bearings. Key dimensional parameters include a 190 mm bore diameter, a 290 mm outer diameter, and a 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.
234438 - Tapered Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 234438 |
| Brand | CHG® |
| Construction | Angular Contact Thrust Ball Bearing |
| Type | Double-Direction Angular Contact Thrust Ball Bearing |
| Characteristics | |
| Load Direction | Axial — Double Direction |
| Limiting Speed — Grease (r/min) | 1300 r/min |
| Limiting Speed — Oil (r/min) | 1800 r/min |
| Dimensions | |
| Bore Diameter (d) | 190 mm |
| Outer Diameter (D) | 290 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2.1 mm |
| Dimension A | N/A mm |
| Bearing Height T | 120 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 60 mm |
| Dimension B | 30 mm |
| Chamfer Dimension r1 (min.) | 0.6 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 285 kN |
| Basic Static Axial Load Rating C0a (kN) | 1060 kN |
| Material | |
| Mass (kg) | 24.4 kg |
234438 290 mm N/A mm 190 mm N/A mm Frequently Asked Questions about 234438 Tapered Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Standard batches of CHG Bearing 234438 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 match diverse operational dynamics, CHG Bearing supplies 234438 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.
The CHG Bearing 234438 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.
Every production batch of CHG Bearing 234438 Tapered Roller Thrust Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
