Manufactured by CHG Bearing, the 51234 is a precision Thrust Ball Bearings. Key dimensional parameters include a 170 mm bore diameter, a 240 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.
51234 - Thrust Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 51234 |
| 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) | 1700 r/min |
| Limiting Speed — Oil (r/min) | 2400 r/min |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Outer Diameter (D) | 240 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2 mm |
| Dimension A | N/A mm |
| Bearing Height T | 72 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 36 mm |
| Dimension B | 18 mm |
| Chamfer Dimension r1 (min.) | 1 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 118 kN |
| Basic Static Axial Load Rating C0a (kN) | 490 kN |
| Material | |
| Mass (kg) | 7 kg |
51234 240 mm 170 mm 72 mm Frequently Asked Questions about 51234 Thrust Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open Type engineered for 51234 by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
As standard production, CHG Bearing subjects 51234 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
Yes, 100% of 51234 Thrust Ball 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.
The CHG Bearing 51234 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.
