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
48686
48600
142.875 mm
42.863 mm
270000 N
515000 N
73562
73000
142.875 mm
31.623 mm
293000 N
342000 N
82562
82000
142.875 mm
56.642 mm
515000 N
810000 N
82562A
82000
142.875 mm
56.642 mm
515000 N
810000 N
HM231136
HM231100
142.875 mm
56.642 mm
597000 N
932000 N
LM229147C
N/A
142.875 mm
33.000 mm
255000 N
459000 N
NA48685SW
48600
142.875 mm
46.833 mm
286000 N
CAD
NA48686
N/A
142.875 mm
46.8325 mm
N/A
CAD
HM129848
HM129800
144.450 mm
58.738 mm
440000 N
761000 N
HM133432
HM133400
144.450 mm
69.850 mm
600000 N
1040000 N
H230847
H230800
144.463 mm
68.263 mm
570000 N
915000 N
36690
36600
146.050 mm
28.575 mm
196000 N
394000 N
36690P
36600
146.050 mm
28.575 mm
233000 N
394000 N
36691
36600
146.050 mm
28.575 mm
196000 N
394000 N
81575
81000
146.050 mm
50.005 mm
402000 N
595000 N
82576
82000
146.050 mm
56.642 mm
515000 N
810000 N
99575
99000
146.050 mm
66.675 mm
660000 N
1030000 N
EE107057
107000
146.050 mm
74.613 mm
784000 N
1170000 N
EE107057V
107000
146.050 mm
74.613 mm
929000 N
1170000 N
EE217056
N/A
146.050 mm
73.025 mm
715000 N
1060000 N
EE217064
N/A
146.050 mm
73.025 mm
715000 N
1060000 N
EE450577
450000
146.050 mm
93.663 mm
1050000 N
1480000 N
EE750573
750000
146.050 mm
61.913 mm
775000 N
871000 N
EE750576
750000
146.050 mm
61.913 mm
775000 N
871000 N