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
679
675
88.900 mm
41.275 mm
265000 N
386000 N
69350X
N/A
88.900 mm
30.163 mm
167000 N
230000 N
759
755
88.900 mm
48.260 mm
327000 N
441000 N
766
755
88.900 mm
48.260 mm
327000 N
441000 N
77350
77000
88.900 mm
48.260 mm
340000 N
474000 N
775
775
88.900 mm
48.006 mm
346000 N
495000 N
850
835
88.900 mm
56.363 mm
485000 N
522000 N
850V
835
88.900 mm
56.363 mm
485000 N
522000 N
850W
835
88.900 mm
56.363 mm
409000 N
522000 N
855
855
88.900 mm
57.531 mm
458000 N
630000 N
98350
98000
88.900 mm
49.213 mm
482000 N
519000 N
HH221434
HH221400
88.900 mm
57.531 mm
534000 N
692000 N
HM518445
N/A
88.900 mm
39.688 mm
297000 N
404000 N
L117549
N/A
88.900 mm
19.050 mm
88600 N
134000 N
L217849
L217800
88.900 mm
20.638 mm
92600 N
156000 N
LL217849
N/A
88.900 mm
15.083 mm
59500 N
88700 N
LM117949
N/A
88.900 mm
28.575 mm
138000 N
220000 N
NA593
N/A
88.900 mm
41.275 mm
N/A
CAD
NA759
N/A
88.900 mm
52.3875 mm
N/A
CAD
NA98350
N/A
88.900 mm
57.944 mm
N/A
CAD
NA593SW
N/A
88.900 mm
41.275 mm
N/A
CAD
NA759SW
N/A
88.900 mm
52.3875 mm
N/A
CAD
NA596SW
N/A
88.900 mm
46.0375 mm
N/A
CAD
593-S
595
89.091 mm
36.322 mm
216000 N
319000 N