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
33269
33000
68.263 mm
30.163 mm
138000 N
197000 N
399A
395
68.263 mm
21.996 mm
98900 N
125000 N
399AN
395
68.263 mm
21.996 mm
117000 N
125000 N
399AS
395
68.263 mm
21.996 mm
98900 N
125000 N
399ASN
395
68.263 mm
21.996 mm
117000 N
125000 N
399AX
395
68.263 mm
36.347 mm
98900 N
125000 N
480
475
68.263 mm
29.007 mm
143000 N
186000 N
560-S
555
68.263 mm
36.678 mm
191000 N
248000 N
570
565
68.263 mm
36.170 mm
196000 N
262000 N
642
635
68.263 mm
41.275 mm
233000 N
298000 N
9185
N/A
68.263 mm
46.038 mm
338000 N
306000 N
9278
9200
68.263 mm
46.038 mm
353000 N
330000 N
H414245
H414200
68.263 mm
41.275 mm
323000 N
335000 N
H414245X
H414200
68.263 mm
41.275 mm
323000 N
335000 N
H715343
H715300
68.263 mm
46.038 mm
319000 N
405000 N
H914841
N/A
68.263 mm
46.038 mm
328000 N
401000 N
29675
29600
69.850 mm
25.400 mm
111000 N
166000 N
29676
29600
69.850 mm
25.400 mm
111000 N
166000 N
HM813842A
HM813800
63.500 mm
36.513 mm
229000 N
256000 N
K3982
3900
63.500 mm
30.048 mm
165000 N
191000 N
L610549
L610500
63.500 mm
19.050 mm
67000 N
108000 N
LL510749
N/A
63.500 mm
12.700 mm
38700 N
53300 N
M111048
N/A
63.500 mm
25.908 mm
128000 N
167000 N
NA78250
N/A
63.500 mm
38.894 mm
N/A
CAD