The TIMKEN 39243DE/39433 is a premium separable single-row tapered roller bearing with double-cone structure, professionally engineered for heavy combined radial and axial loads. Featuring power-dense internal geometry and rigorous TIMKEN factory precision standards, this imperial-series bearing delivers outstanding stability and fatigue resistance for harsh industrial operating conditions.
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The TIMKEN 39243DE/39433 is a premium separable single-row tapered roller bearing with double-cone structure, professionally engineered for heavy combined radial and axial loads. Featuring power-dense internal geometry and rigorous TIMKEN factory precision standards, this imperial-series bearing delivers outstanding stability and fatigue resistance for harsh industrial operating conditions.
Precision Dimension Parameters: Standard compliant with ISO 355 and TIMKEN industrial specifications. Bore diameter d=61.91 mm, outer diameter D=110.058 mm, total width T=101.6 mm, cup width=17.236 mm, minimum chamfer radius r=2.29 mm. It adopts standard P0 tolerance grade and CN normal radial clearance, ensuring universal interchangeability for mechanical assembly.
Professional Material Configuration: Inner cone, outer cup and tapered rollers adopt high-grade AISI 52100 bearing steel, heat-treated to 60–64 HRC, providing exceptional wear resistance, high contact fatigue strength and long-term dimensional stability. The rigid stamped steel cage ensures precise roller guidance, excellent impact resistance and stable operation under heavy dynamic loads.
Core Manufacturing Processes: Produced via standardized premium procedures including hot forging for optimized grain structure, precision turning for accurate contour shaping, integral quenching and tempering to eliminate residual stress. High-precision raceway grinding and superfinishing minimize surface roughness, reducing friction heat and extending lubrication service life with consistent operational accuracy.
Standard Service Life: Calculated perISO 281 life standard with 90% reliability. Under rated load, clean lubrication and steady-speed standard working conditions, its nominal L10 service life reaches 16,000 operating hours. Key influencing factors include overload impact, lubricant deterioration, particle contamination and shaft misalignment.
Industrial Applications: Widely applied in construction machinery, mining equipment, heavy-duty truck drive systems, agricultural machinery and industrial gear reducers. Its superior combined load capacity and rugged structure perfectly adapt to heavy-load, high-shock transmission scenarios in harsh working environments.
Maintenance Guidelines: Conduct routine inspection every 2000–3000 operating hours. Use extreme-pressure lithium grease with 30%–50% internal cavity filling volume. Strictly keep assembly surfaces clean and dust-free. Regularly monitor operating temperature, vibration and noise; stop operation immediately if abnormal wear or seal failure occurs.
| BRAND | FONKIN/SKF/FAG/INA/NSK/NTN/TIMKEN/SNR/IKO/KOYO/ASAHI/FYH/THK/HIWIN/PMI |
| BEARINGS NO. | 39243DE/39433 TIMKEN |
| TYPE | Tapered Roller Bearings |
| Inner(d)mm | 61 |
| Outer(D)mm | 83 |
| Width(B)mm | 101 |
| WEIGHT/KG | 3.25 |
| EAN CODE |
+86-510-6831-3099
No.105, Huixin Road,Yuqi Industrial Park, Huishan District, hunqi Road, Yuqi Town, Wuxi, Jiangsu Province, P.R.CHINA
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