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
HM127442
HM127400
129.967 mm
57.150 mm
420000 N
706000 N
HM227545
HM227500
129.967 mm
60.325 mm
458000 N
727000 N
95512
95000
129.974 mm
63.5 mm
629000 N
931000 N
74511X
74000
130 mm
47.625 mm
382000 N
614000 N
797
795
130 mm
47.625 mm
378000 N
593000 N
95512X
95000
130 mm
63.5 mm
629000 N
931000 N
EE154512
N/A
130 mm
82.001 mm
727000 N
1110000 N
67389
67300
130.175 mm
46.038 mm
368000 N
625000 N
799A
795
130.175 mm
47.625 mm
378000 N
593000 N
HM127446
HM127400
131.750 mm
57.150 mm
420000 N
706000 N
68462
68000
117.475 mm
31.750 mm
232000 N
271000 N
68463
68000
117.475 mm
31.750 mm
232000 N
271000 N
H225148
N/A
117.475 mm
69.850 mm
518000 N
747000 N
HM124646
HM124600
119.063 mm
57.150 mm
388000 N
623000 N
HM125943
N/A
119.949 mm
60.325 mm
446000 N
691000 N
HM124649
HM124600
119.957 mm
57.150 mm
388000 N
623000 N
74472
74000
119.964 mm
47.625 mm
382000 N
614000 N
HH228336
HH228300
119.974 mm
82.550 mm
843000 N
1240000 N
M224748
M224700
119.974 mm
36.513 mm
244000 N
422000 N
74473X
74000
120 mm
47.625 mm
382000 N
614000 N
97472X
97000
120 mm
49.428 mm
376000 N
486000 N
48282
48200
120.650 mm
38.100 mm
268000 N
493000 N
67384
67300
120.650 mm
46.038 mm
436000 N
625000 N
795
795
120.650 mm
47.625 mm
378000 N
593000 N