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
LL205442
LL205400
46.038 mm
12.700 mm
37300 N
47200 N
369A
365
47.625 mm
22.225 mm
102000 N
95800 N
46175
N/A
44.450 mm
31.750 mm
129000 N
158000 N
46176
N/A
44.450 mm
31.750 mm
129000 N
158000 N
49175
49000
44.450 mm
31.750 mm
136000 N
156000 N
49176
49000
44.450 mm
31.750 mm
136000 N
156000 N
49576
49500
44.450 mm
31.750 mm
157000 N
155000 N
49577
49500
44.450 mm
31.750 mm
133000 N
155000 N
527
525
44.450 mm
36.068 mm
165000 N
191000 N
53176
53000
44.450 mm
28.301 mm
119000 N
104000 N
53177
53000
44.450 mm
28.301 mm
119000 N
104000 N
53178
53000
44.450 mm
28.301 mm
119000 N
104000 N
535
535
44.450 mm
36.957 mm
172000 N
206000 N
5356
N/A
44.450 mm
44.475 mm
212000 N
267000 N
55175
55000
44.450 mm
26.909 mm
126000 N
119000 N
55175C
55000C
44.450 mm
26.909 mm
151000 N
161000 N
55176
55000
44.450 mm
26.909 mm
126000 N
119000 N
55176C
55000C
44.450 mm
26.909 mm
151000 N
161000 N
59175
59000
44.450 mm
36.513 mm
202000 N
202000 N
59176
59000
44.450 mm
36.513 mm
202000 N
202000 N
615
615
44.450 mm
41.275 mm
207000 N
244000 N
6277
6200
44.450 mm
52.388 mm
306000 N
370000 N
65384
N/A
44.450 mm
44.45 mm
224000 N
256000 N
65385
N/A
44.450 mm
44.45 mm
224000 N
256000 N