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
3660
3600
20.638 mm
30.417 mm
88600 N
89800 N
KM12649
N/A
21.430 mm
18.288 mm
44100 N
43500 N
M12649
N/A
21.430 mm
18.288 mm
52200 N
43500 N
M12649X
N/A
21.430 mm
18.288 mm
40800 N
43500 N
LM12749
N/A
21.986 mm
16.637 mm
38600 N
35300 N
LM12749F
N/A
21.986 mm
16.637 mm
38600 N
35300 N
07087
07000
22.225 mm
14.260 mm
29100 N
29600 N
07087X
07000
22.225 mm
14.260 mm
29100 N
29600 N
1280
N/A
22.225 mm
22.225 mm
55300 N
55100 N
1380
1300
22.225 mm
20.168 mm
47900 N
48300 N
1380H
1300
22.225 mm
20.168 mm
56700 N
48300 N
1755
1700
22.225 mm
19.837 mm
45400 N
45300 N
1975
1900
22.225 mm
19.355 mm
48400 N
50200 N
2380
N/A
22.225 mm
24.765 mm
63700 N
62000 N
246X
N/A
22.225 mm
18.999 mm
48200 N
49200 N
2684
2600
22.225 mm
25.433 mm
76600 N
81700 N
320
N/A
22.225 mm
22.174 mm
74900 N
74800 N
3655
3600
22.225 mm
38.354 mm
88600 N
89800 N
LL52549
N/A
22.225 mm
11.176 mm
16600 N
16800 N
M12648
N/A
22.225 mm
18.288 mm
52200 N
43500 N
M12648A
N/A
22.225 mm
18.288 mm
52200 N
43500 N
LM72849
N/A
22.606 mm
15.499 mm
35100 N
33000 N
07090X
07000
22.987 mm
14.260 mm
27000 N
29600 N
07093
07000
23.813 mm
14.260 mm
29100 N
29600 N