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
67989
67900
209.550 mm
46.038 mm
503000 N
876000 N
67989H
67900
209.550 mm
49.213 mm
468000 N
790000 N
93825
93000
209.550 mm
63.5 mm
731000 N
1290000 N
93825A
93000
209.550 mm
63.5 mm
731000 N
1290000 N
93825V
93000
209.550 mm
63.5 mm
731000 N
1290000 N
96825
96000
209.550 mm
66.675 mm
759000 N
1420000 N
DX940730
N/A
209.550 mm
63.5 mm
900000 N
1290000 N
HM743345
HM743300
209.550 mm
69.850 mm
917000 N
1570000 N
LM742745
LM742700
212.725 mm
46.038 mm
430000 N
892000 N
M246932
N/A
212.725 mm
65.088 mm
789000 N
1570000 N
EE350750
N/A
190.5 mm
95.250 mm
1640000 N
1700000 N
EE420751
420000
190.5 mm
88.897 mm
1170000 N
1820000 N
EE470075
470000
190.5 mm
92.075 mm
1020000 N
1580000 N
EE607075
N/A
190.5 mm
77.788 mm
1060000 N
1480000 N
HH840249
N/A
190.5 mm
95.250 mm
1150000 N
2050000 N
NA67885SW
67800
190.5 mm
54.767 mm
416000 N
CAD
NA537075
N/A
190.5 mm
33.3375 mm
N/A
CAD
M239448A
N/A
191.237 mm
58.738 mm
501000 N
851000 N
67887
67800
192.088 mm
46.833 mm
416000 N
835000 N
67891H
67800
192.088 mm
50 mm
386000 N
749000 N
87762
87000
193.675 mm
47.625 mm
509000 N
692000 N
67888
67800
194.975 mm
46.833 mm
416000 N
835000 N
93775
93000
196.850 mm
63.5 mm
731000 N
1290000 N
KL540049
N/A
196.850 mm
27.783 mm
211000 N
408000 N