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
H337844
H337800
174.612 mm
87.313 mm
1010000 N
1490000 N
67786
67700
174.625 mm
47.625 mm
405000 N
779000 N
L630349
L630300
152.400 mm
24.000 mm
143000 N
277000 N
L730649
N/A
152.400 mm
28.575 mm
194000 N
339000 N
LM330448
LM330400
152.400 mm
41.275 mm
283000 N
556000 N
M231648
M231600
152.400 mm
46.83 mm
377000 N
668000 N
M231649
M231600
152.400 mm
46.83 mm
377000 N
668000 N
NA99600
N/A
152.400 mm
71.4375 mm
N/A
CAD
NA48990SW
N/A
152.400 mm
46.0375 mm
N/A
CAD
81606
81000
153.988 mm
50.005 mm
402000 N
595000 N
H936340
N/A
155.575 mm
79.375 mm
1230000 N
1400000 N
HM133444
HM133400
157.150 mm
69.850 mm
600000 N
1040000 N
HM136936
HM136900
157.150 mm
74.613 mm
791000 N
1210000 N
M432148A
N/A
157.163 mm
47.625 mm
343000 N
636000 N
46780
46700
158.750 mm
39.688 mm
303000 N
635000 N
EE217062X
N/A
158.750 mm
73.025 mm
715000 N
1060000 N
EE280626
280000
158.750 mm
69.106 mm
603000 N
867000 N
KL432349
N/A
158.750 mm
23.813 mm
147000 N
280000 N
L432348
L432300
158.750 mm
23.813 mm
147000 N
280000 N
L432349
L432300
158.750 mm
23.813 mm
147000 N
280000 N
EE560629
560000
159.918 mm
76.200 mm
1040000 N
1310000 N
81629
81000
159.951 mm
50.005 mm
402000 N
595000 N
81630
81000
159.951 mm
46.83 mm
402000 N
595000 N
HM133448
HM133400
160 mm
69.850 mm
600000 N
1040000 N