Tapered Roller Bearings – Single Cups – Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN Tapered Roller Bearings – Single Cups (Imperial Series 1852): Engineered for Precision and Durability**

TIMKEN® Tapered Roller Bearings – Single Cups (Imperial Series 1852) represent the pinnacle of reliability and performance in demanding mechanical power transmission applications. Designed to handle combined radial and thrust loads with exceptional efficiency, these bearings are a cornerstone of industrial machinery, automotive systems, and precision equipment where durability, load capacity, and smooth operation are critical.

### **Technical Features & Design Excellence**
The TIMKEN 1852 series single cups feature a precision-engineered tapered raceway that ensures optimal contact between rollers and races, distributing loads evenly to minimize stress concentrations. Key technical attributes include:

– **High-Quality Steel Construction:** Manufactured from premium-grade alloy steel, these bearings undergo rigorous heat treatment processes to enhance hardness, fatigue resistance, and operational lifespan.
– **Precision Ground Surfaces:** The cup’s tapered inner diameter (ID) and outer diameter (OD) are precision-ground to tight tolerances, ensuring seamless compatibility with cones and housings for reduced friction and vibration.
– **Optimized Geometry:** The tapered roller design minimizes slippage under heavy loads, while advanced surface finishes reduce wear and extend service intervals.
– **Interchangeability:** Conforming to imperial sizing standards, the 1852 series ensures easy integration into existing systems, reducing downtime during maintenance or upgrades.

### **Performance Advantages**
TIMKEN’s tapered roller bearings excel in applications where high radial and axial loads are present, offering distinct advantages:

– **Superior Load Capacity:** The single cup design efficiently manages both radial and thrust loads, making it ideal for applications like gearboxes, wheel hubs, and heavy-duty conveyor systems.
– **Enhanced Durability:** Engineered for harsh environments, these bearings resist deformation under shock loads, high speeds, and variable temperatures.
– **Reduced Friction & Heat Generation:** Precision alignment of rollers and raceways lowers operational friction, improving energy efficiency and reducing thermal stress.
– **Long Service Life:** Advanced lubrication retention features and wear-resistant materials ensure consistent performance even in contaminated or high-load conditions.

### **Typical Applications**
TIMKEN 1852 single cups are widely used across industries, including:

– **Industrial Machinery:** Conveyors, crushers, and mining equipment requiring robust bearings for heavy radial/axial loads.
– **Automotive Systems:** Wheel hubs, differentials, and transmissions where precision and durability are paramount.
– **Precision Equipment:** Agricultural machinery, construction vehicles, and material handling systems demanding reliable power transmission.

For over a century, TIMKEN has set the benchmark for tapered roller bearing technology. The 1852 series single cups continue this legacy, delivering unmatched performance in the most challenging environments. Whether for OEMs or maintenance replacements, these bearings ensure operational efficiency, reduced downtime, and long-term cost savings.

*Choose TIMKEN – where innovation meets endurance.*

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Part Number Series D - Cup Outer Diameter C - Cup Widthh
129174
129000
439.948 mm
53.975 mm
131400
130000
355.6 mm
49.213 mm
132125
132000
317.500 mm
34.925 mm
132127
132000
319.088 mm
34.925 mm
1328
1300
52.388 mm
14.288 mm
1328V
1300
52.388 mm
14.288 mm
1328X
1300
52.388 mm
14.288 mm
1329
1300
53.975 mm
14.288 mm
1330
1300
50.8 mm
15.875 mm
1331
1300
56.896 mm
14.288 mm
13318
13000
80.963 mm
14.288 mm
133180
133000
457.098 mm
47.625 mm
00150
00000
38.1 mm
11.113 mm
00152
00000
38.1 mm
13.556 mm
00152X
00000
36.513 mm
11.113 mm
00162X
00000
41.300 mm
14.288 mm
02419
02400
66.987 mm
15.999 mm
02420
02400
68.263 mm
17.463 mm
02420A
02400
68.263 mm
16.238 mm
02421
02400
68.263 mm
17.463 mm
02820
02800
73.025 mm
17.463 mm
02830
02800
73.025 mm
17.463 mm
02831
02800
80.963 mm
17.463 mm
03157X
03000
40 mm
11.113 mm