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
42373
42000
94.976 mm
28.971 mm
163000 N
241000 N
682
675
94.976 mm
41.275 mm
265000 N
386000 N
686
675
94.976 mm
40.488 mm
265000 N
386000 N
867A
855
94.976 mm
57.531 mm
458000 N
630000 N
64373
64000
94.983 mm
41.275 mm
275000 N
419000 N
862
855
95.001 mm
57.531 mm
458000 N
630000 N
42375
42000
95.250 mm
28.971 mm
193000 N
241000 N
42375A
42000
95.250 mm
28.971 mm
163000 N
241000 N
42376
42000
95.250 mm
28.971 mm
193000 N
241000 N
47896
47800
95.250 mm
34.925 mm
197000 N
307000 N
HM120835
HM120800
85.725 mm
49.213 mm
270000 N
431000 N
HM617048
HM617000
85.725 mm
42.863 mm
261000 N
399000 N
HM617049
HM617000
85.725 mm
42.863 mm
261000 N
399000 N
NA497SW
N/A
85.725 mm
36.5125 mm
N/A
CAD
596-S
595
87.313 mm
36.322 mm
216000 N
319000 N
869
855
87.313 mm
57.531 mm
458000 N
630000 N
HH221432
HH221400
87.313 mm
57.531 mm
534000 N
692000 N
L217847
L217800
87.313 mm
20.638 mm
92600 N
156000 N
42346
42000
87.960 mm
28.971 mm
193000 N
241000 N
42350
42000
88.900 mm
28.971 mm
193000 N
241000 N
593
595
88.900 mm
36.322 mm
216000 N
319000 N
593A
595
88.900 mm
36.322 mm
216000 N
319000 N
6580
6500
88.900 mm
55.100 mm
439000 N
523000 N
6580V
6500
88.900 mm
55.100 mm
439000 N
523000 N