Tapered Roller Bearings – Single Cones – Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings – Single Cones (Imperial Series 2490): Engineered for Precision and Durability**

TIMKEN tapered roller bearings are synonymous with reliability, high load capacity, and precision performance in demanding industrial and automotive applications. Among its extensive portfolio, the **TIMKEN Single Cone Tapered Roller Bearings (Imperial Series 2490)** stand out as a critical component for machinery requiring robust radial and thrust load support. Designed with exacting tolerances and superior metallurgy, these bearings excel in applications where misalignment resistance, long service life, and operational efficiency are paramount.

### **Technical Features & Design Advantages**
The **TIMKEN 2490 Series Single Cone** bearings are engineered to handle combined radial and axial loads, thanks to their precision-ground tapered rollers and raceways. Key features include:

– **Optimized Load Distribution:** The tapered geometry ensures even stress distribution across the rollers, reducing edge loading and extending bearing life.
– **High-Strength Steel Construction:** Manufactured from premium alloy steels, these cones undergo advanced heat treatment processes to enhance hardness, fatigue resistance, and durability under heavy loads.
– **Interchangeability & Precision Fit:** Designed to meet imperial (inch) dimensions, the 2490 Series cones are compatible with TIMKEN cups and assemblies, ensuring seamless integration into existing systems.
– **Enhanced Lubrication Retention:** The precision-machined surfaces and optimized roller profiles promote efficient lubricant flow, minimizing friction and heat generation.

### **Performance Benefits**
TIMKEN’s Single Cone bearings deliver unmatched performance in harsh operating conditions:
– **Superior Durability:** The hardened steel construction resists wear, spalling, and micro-fatigue, even in high-vibration environments.
– **Reduced Friction & Heat Build-Up:** Precision grinding and optimized roller alignment lower rotational resistance, improving energy efficiency.
– **Versatile Mounting Options:** Single cones allow for adjustable preload and axial clearance, making them ideal for applications requiring precise shaft positioning.

### **Typical Applications**
TIMKEN 2490 Series Single Cones are widely used in heavy-duty industrial and automotive systems, including:
– **Industrial Gearboxes & Pumps:** Supporting shafts in high-torque, low-speed, or high-speed applications.
– **Construction & Mining Equipment:** Wheel hubs, conveyor systems, and crushers where shock loads are prevalent.
– **Automotive Axles & Transmissions:** Providing reliable performance in truck differentials and drivetrains.
– **Precision Machinery:** Machine tool spindles and agricultural equipment requiring tight tolerances.

For engineers and maintenance professionals seeking a balance of strength, precision, and longevity, **TIMKEN’s 2490 Series Single Cone Tapered Roller Bearings** offer a proven solution backed by over a century of bearing innovation. Whether in extreme environments or precision assemblies, these bearings ensure optimal performance with minimal downtime.

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Part Number Series d - Cone Bore B - Cone Width C1 - Dynamic Radial Rating (1 million revolutions) C0 - Static Radial Rating
395A
395
66.675 mm
21.996 mm
98900 N
125000 N
395AN
395
66.675 mm
21.996 mm
117000 N
125000 N
395CS
395
66.675 mm
23.444 mm
98900 N
125000 N
395-S
395
66.675 mm
21.996 mm
98900 N
125000 N
3984
3900
66.675 mm
30.048 mm
139000 N
191000 N
3992
3900
66.675 mm
29.223 mm
139000 N
191000 N
3994
3900
66.675 mm
30.048 mm
139000 N
191000 N
479
475
66.675 mm
29.007 mm
143000 N
186000 N
495AA
495
66.675 mm
29.769 mm
154000 N
216000 N
5553
5500
66.675 mm
51.702 mm
237000 N
327000 N
29670
29600
63.500 mm
25.400 mm
111000 N
166000 N
33251
33000
63.500 mm
30.163 mm
138000 N
197000 N
390A
395
63.500 mm
21.996 mm
98900 N
125000 N
390AN
395
63.500 mm
21.996 mm
117000 N
125000 N
39250
39000
63.500 mm
21.999 mm
115000 N
120000 N
395
395
63.500 mm
21.996 mm
98900 N
125000 N
3955
3900
63.500 mm
36.398 mm
139000 N
191000 N
39585
39500
63.500 mm
30.163 mm
167000 N
224000 N
39585A
39500
63.500 mm
30.163 mm
167000 N
224000 N
39585P
39500
63.500 mm
30.163 mm
198000 N
224000 N
395X
395
63.500 mm
21.996 mm
98900 N
125000 N
395XA
395
63.500 mm
21.996 mm
98900 N
125000 N
3982
3900
63.500 mm
30.048 mm
139000 N
191000 N
3982W
3900
63.500 mm
30.048 mm
131000 N
191000 N