Manufactured by CHG Bearing, the 29434 is a precision Spherical Roller Thrust Bearings. Key dimensional parameters include a 170 mm bore diameter, a 243 mm outer diameter, and a 340 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.

29434 - Spherical Roller Thrust Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 29434 |
| Brand | CHG® |
| Construction | Single Direction |
| Characteristics | |
| Bearing Type | Spherical Roller Thrust Bearing |
| Load Direction | Axial |
| Limiting Speed — Grease (r/min) | 700 r/min |
| Limiting Speed — Oil (r/min) | 950 r/min |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 340 mm |
| Outer Diameter (D) | 243 mm |
| Chamfer Dimension r (min.) | 5 mm |
| Shaft Washer Outside Diameter D1 (max.) | 324 mm |
| Dimension A | 104 mm |
| Bearing Height T | 103 mm |
| Performance | |
| Basic Dynamic Axial Load Rating Ca (kN) | 1820 kN |
| Basic Static Axial Load Rating C0a (kN) | 5900 kN |
| Material | |
| Mass (kg) | 44.5 kg |
29434 103 mm 104 mm 324 mm 170 mm 243 mm Frequently Asked Questions about 29434 Spherical Roller Thrust Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
When fitting 29434 over a 170 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.
To extend the trouble-free lifespan of CHG Bearing 29434, preventive maintenance routines should monitor operating housing temperature (normally maintaining below 70°C) and conduct regular vibration FFT analysis to identify early raceway micro-pitting before unexpected line halts occur.
In its sealed configuration (Open Type), CHG Bearing pre-charges 29434 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
To safeguard CHG Bearing 29434 against fretting wear and false brinelling during transport or vibration, assemble mating surfaces (170 mm x 243 mm) using anti-fretting mounting paste. Maintaining strict alignment and avoiding prolonged static vibration will preserve raceway polish.
