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
K37425
N/A
107.95 mm
21.438 mm
137000 N
179000 N
L521949
L521900
107.95 mm
21.433 mm
88900 N
175000 N
LL521849C
N/A
107.95 mm
15.083 mm
70400 N
107000 N
LM522546
LM522500
107.95 mm
34.925 mm
232000 N
357000 N
NA56425SW
56000
107.95 mm
44.45 mm
226000 N
CAD
37431
37000
109.538 mm
21.438 mm
115000 N
179000 N
37431A
37000
109.538 mm
21.438 mm
137000 N
179000 N
37431AN
37000
109.538 mm
21.438 mm
137000 N
179000 N
71432
71000
109.952 mm
49.213 mm
364000 N
543000 N
64432
64000
109.974 mm
41.275 mm
275000 N
419000 N
783A
775
99.974 mm
50.8 mm
305000 N
448000 N
944A
935
99.974 mm
66.675 mm
572000 N
786000 N
HH224334
HH224300
99.974 mm
66.675 mm
680000 N
906000 N
HM220149
N/A
99.974 mm
41.999 mm
300000 N
438000 N
KHM220149
N/A
99.974 mm
41.999 mm
356000 N
438000 N
LM720646
N/A
99.974 mm
25.400 mm
122000 N
202000 N
NA56393SW
N/A
99.975 mm
44.45 mm
N/A
CAD
HM821547
HM821500
99.979 mm
46.038 mm
377000 N
431000 N
HH221447
HH221400
99.982 mm
57.531 mm
534000 N
692000 N
52394X
52000
100 mm
36.116 mm
211000 N
343000 N
783
775
100 mm
48.006 mm
346000 N
495000 N
863X
855
100 mm
57.531 mm
458000 N
630000 N
98394X
98000
100 mm
49.213 mm
482000 N
519000 N
NA691A
N/A
100 mm
46.0375 mm
N/A
CAD