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
HM231140NA
N/A
146.050 mm
65.881 mm
N/A
CAD
82587
82000
149.225 mm
56.642 mm
515000 N
810000 N
99587
99000
149.225 mm
66.675 mm
660000 N
1030000 N
HM231148
HM231100
149.225 mm
56.642 mm
597000 N
932000 N
HM231149
HM231100
149.225 mm
56.642 mm
597000 N
932000 N
NA82587
N/A
149.225 mm
65.881 mm
N/A
CAD
HM231149NA
N/A
149.225 mm
65.881 mm
N/A
CAD
HM133436
HM133400
149.967 mm
69.850 mm
600000 N
1040000 N
99591
99000
149.974 mm
71.438 mm
585000 N
938000 N
M432144
N/A
149.987 mm
47.625 mm
343000 N
636000 N
81590
81000
150 mm
50.005 mm
402000 N
595000 N
99590X
99000
150 mm
66.675 mm
660000 N
1030000 N
EE560592
560000
150.698 mm
76.200 mm
1040000 N
1310000 N
81593
81000
150.813 mm
50.005 mm
402000 N
595000 N
LM330446
LM330400
150.813 mm
41.275 mm
267000 N
556000 N
M231647
N/A
150.967 mm
54 mm
N/A
CAD
EE450601XS
450000
151.994 mm
93.663 mm
975000 N
1480000 N
H432649
H432600
152.387 mm
77.788 mm
775000 N
1180000 N
81600
81000
152.400 mm
50.005 mm
402000 N
595000 N
99600
99000
152.400 mm
66.675 mm
660000 N
1030000 N
99600P
99000
152.400 mm
66.675 mm
783000 N
1030000 N
99603
99000
152.400 mm
71.438 mm
585000 N
938000 N
99603AS
99000
152.400 mm
71.438 mm
620000 N
938000 N
DX513576
N/A
152.400 mm
74.613 mm
965000 N
1170000 N