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
93800
93000
203.2 mm
63.5 mm
731000 N
1290000 N
93800A
93000
203.2 mm
63.5 mm
731000 N
1290000 N
LL735449
N/A
177.800 mm
20.638 mm
122000 N
252000 N
M236848
N/A
177.800 mm
53.975 mm
537000 N
933000 N
M236849
N/A
177.800 mm
53.975 mm
537000 N
933000 N
M236849H
N/A
177.800 mm
53.975 mm
511000 N
868000 N
M238840
M238800
177.800 mm
55.563 mm
508000 N
999000 N
M336946
N/A
177.800 mm
57.150 mm
492000 N
830000 N
NA87700
N/A
177.800 mm
53.975 mm
N/A
CAD
NA94700
N/A
177.800 mm
71.4375 mm
N/A
CAD
NA87700SW
N/A
177.800 mm
53.975 mm
N/A
CAD
M336948
N/A
178.595 mm
57.150 mm
521000 N
830000 N
M336949A
N/A
179.388 mm
60.325 mm
492000 N
830000 N
M336949
N/A
179.934 mm
57.150 mm
492000 N
830000 N
93708
93000
179.974 mm
63.5 mm
731000 N
1290000 N
DX163311
N/A
179.974 mm
63.5 mm
900000 N
1290000 N
67875
67800
180 mm
45.999 mm
416000 N
835000 N
HM237547
HM237500
180 mm
68.263 mm
837000 N
1130000 N
EE280720X
280000
182.999 mm
69.106 mm
591000 N
867000 N
67883
67800
184.150 mm
46.833 mm
416000 N
835000 N
KLL537649
N/A
184.150 mm
25.400 mm
174000 N
337000 N
KLM236749
N/A
184.150 mm
33.000 mm
284000 N
550000 N
LL537649
LL537600
184.150 mm
25.400 mm
174000 N
337000 N
LM236749
N/A
184.150 mm
33.000 mm
284000 N
550000 N