Manufactured by CHG Bearing, the 51140 is a precision Thrust Ball Bearings. Key dimensional parameters include a 200 mm bore diameter, a 250 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.
51140 - Thrust Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 51140 |
| 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) | 200 mm |
| Outer Diameter (D) | 250 mm |
| Contact Angle α (°) | N/A ° |
| Chamfer Dimension r (min.) | 2 mm |
| Dimension A | N/A mm |
| Bearing Height T | 96 mm |
| Dimension d1 | N/A mm |
| Dimension D12 | N/A mm |
| Dimension C | 48 mm |
| Dimension B | 24 mm |
| Chamfer Dimension r1 (min.) | 1 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 204 kN |
| Basic Static Axial Load Rating C0a (kN) | 855 kN |
| Material | |
| Mass (kg) | 15.7 kg |
51140 250 mm 200 mm 96 mm Frequently Asked Questions about 51140 Thrust Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 51140 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.
Built for demanding industrial environments, the 51140 Thrust Ball Bearings by CHG Bearing boasts a dynamic load rating (Cr) of standard dynamic and a static load threshold (C0r) of standard static. The optimized internal raceway geometry balances stress distribution, mitigating edge loading even when operating under peak mechanical stresses.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 51140. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Beyond standard alloy steel, CHG Bearing can customize the 51140 Thrust Ball Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
