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
HM212047
N/A
63.500 mm
38.354 mm
267000 N
279000 N
HM813842
HM813800
63.500 mm
36.513 mm
229000 N
256000 N
28985
28900
60.325 mm
25.400 mm
106000 N
149000 N
3960
3900
60.325 mm
36.398 mm
139000 N
191000 N
3980
3900
60.325 mm
30.048 mm
139000 N
191000 N
557A
555
60.325 mm
36.678 mm
191000 N
248000 N
558
555
60.325 mm
36.678 mm
226000 N
248000 N
5582
5500
60.325 mm
43.764 mm
280000 N
327000 N
5583
5500
60.325 mm
43.764 mm
280000 N
327000 N
5583V
5500
60.325 mm
43.764 mm
280000 N
327000 N
558A
555
60.325 mm
36.678 mm
191000 N
248000 N
637
635
60.325 mm
41.275 mm
233000 N
298000 N
6376
6300
60.325 mm
56.007 mm
321000 N
404000 N
65237
65000
60.325 mm
44.45 mm
243000 N
297000 N
65237A
65000
60.325 mm
44.45 mm
243000 N
297000 N
78238
78000
60.325 mm
33.236 mm
203000 N
193000 N
78238C
78000C
60.325 mm
33.236 mm
237000 N
234000 N
9275
9200
60.325 mm
46.038 mm
298000 N
330000 N
H715332
H715300
60.325 mm
46.038 mm
319000 N
405000 N
HH814542
HH814500
60.325 mm
52.705 mm
354000 N
451000 N
HM212044
N/A
60.325 mm
38.354 mm
267000 N
279000 N
HM813841
HM813800
60.325 mm
36.513 mm
229000 N
256000 N
HM813841A
HM813800
60.325 mm
36.513 mm
229000 N
256000 N
HM911245
HM911200
60.325 mm
33.338 mm
198000 N
183000 N