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
HM218238
N/A
79.974 mm
40.000 mm
325000 N
388000 N
LM716446
N/A
79.974 mm
26.988 mm
125000 N
187000 N
577
575
74.613 mm
36.098 mm
207000 N
291000 N
658
655
74.613 mm
41.275 mm
247000 N
335000 N
34294
34000
74.976 mm
23.012 mm
102000 N
136000 N
42686
42600
74.988 mm
31.001 mm
161000 N
222000 N
497X
495
75.001 mm
29.769 mm
146000 N
216000 N
HM215249
N/A
75.987 mm
38.999 mm
240000 N
324000 N
KHM215249
N/A
75.987 mm
38.999 mm
260000 N
324000 N
34299X
34000
75.999 mm
23.012 mm
94600 N
136000 N
27684
27600
76.2 mm
25.400 mm
117000 N
178000 N
27684A
27600
76.2 mm
25.400 mm
111000 N
178000 N
34300
34000
76.2 mm
23.012 mm
102000 N
136000 N
34300A
34000
76.2 mm
23.012 mm
102000 N
136000 N
34301
34000
76.2 mm
23.012 mm
102000 N
136000 N
42687
42600
76.2 mm
31.001 mm
161000 N
222000 N
42687A
42600
76.2 mm
31.001 mm
161000 N
222000 N
42688
42600
76.2 mm
31.001 mm
161000 N
222000 N
47678
47600
76.2 mm
33.338 mm
214000 N
262000 N
47679
47600
76.2 mm
33.338 mm
214000 N
262000 N
47680
47600
76.2 mm
33.338 mm
214000 N
262000 N
495A
495
76.2 mm
29.769 mm
154000 N
216000 N
495AX
495
76.2 mm
29.769 mm
154000 N
216000 N
575
575
76.2 mm
36.098 mm
207000 N
291000 N