Manufactured by CHG Bearing, the 234980 is a precision Tapered Roller Thrust Bearings. Key dimensional parameters include a 400 mm bore diameter, a 540 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.
234980 - Tapered Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 234980 |
| 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) | 600 r/min |
| Limiting Speed — Oil (r/min) | 850 r/min |
| Dimensions | |
| Bore Diameter (d) | 400 mm |
| Outer Diameter (D) | 540 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 4 mm |
| Dimension A | N/A mm |
| Bearing Height T | 164 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 82 mm |
| Dimension B | 41 mm |
| Chamfer Dimension r1 (min.) | 1.5 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 495 kN |
| Basic Static Axial Load Rating C0a (kN) | 2700 kN |
| Material | |
| Mass (kg) | 91.5 kg |
234980 540 mm N/A mm 400 mm N/A mm Frequently Asked Questions about 234980 Tapered Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 234980 over a 400 mm shaft, CHG Bearing strictly recommends uniform induction heating (controlled between 90°C and 110°C) or precision hydraulic press sleeves. Under no circumstances should direct impact blows be struck against the rings or cage, as shock loads cause brinelling indents and premature spalling.
Standard batches of CHG Bearing 234980 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.
Absolutely. The CHG Bearing 234980 Tapered Roller Thrust Bearings is a 1:1 direct interchange for renowned brands, matching part numbers: SKF 234980, FAG 234980, NSK 234980. It shares identical envelope boundary dimensions, load capacities, and shaft fits, allowing instant drop-in replacement without retrofitting your machinery.
Quality starts with raw material selection: CHG Bearing crafts 234980 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.
