Tapered Roller Bearings – TSF (Tapered Single with Flange) Imperial

Tapered Roller Bearings Product Introduction

**TIMKEN TSF Tapered Roller Bearings: Precision, Durability, and Performance for Demanding Applications**

TIMKEN Tapered Roller Bearings are engineered to deliver unmatched reliability and performance in some of the most demanding industrial, automotive, and precision equipment applications. Among TIMKEN’s extensive bearing portfolio, the **TSF (Tapered Single with Flange) series** stands out for its robust design, high load-carrying capacity, and ease of installation. Available in both metric and imperial sizes, these bearings are optimized to handle combined radial and thrust loads efficiently, making them ideal for applications where precision, durability, and long service life are critical.

### **Technical Features & Design Advantages**
The **TSF tapered roller bearings** incorporate a single-row, flanged cup design that simplifies mounting and ensures precise alignment in housings. Key features include:

– **Flanged Outer Ring (Cup):** The integrated flange provides axial location, eliminating the need for complex housing shoulders or separate clamping mechanisms. This design enhances assembly accuracy and reduces installation time.
– **Premium Steel Construction:** Manufactured from high-quality, clean steel, TIMKEN TSF bearings undergo advanced heat treatment processes to enhance fatigue resistance and durability under heavy loads.
– **Optimized Roller & Cage Design:** Precision-ground tapered rollers and a sturdy cage distribute loads evenly, reducing friction and wear while maintaining smooth operation at high speeds.
– **Sealing & Lubrication Options:** Configurable with various sealing solutions (such as contact or non-contact seals) and lubrication methods to suit specific environmental conditions—whether in contaminated industrial settings or high-speed automotive systems.

### **Performance Benefits**
TIMKEN TSF bearings are built to excel in applications requiring high rigidity and resistance to misalignment. Their advantages include:

– **Superior Load Capacity:** The tapered geometry allows the bearings to support significant radial and axial loads simultaneously, making them ideal for gearboxes, wheel hubs, and heavy machinery.
– **Extended Service Life:** Advanced metallurgy and precision manufacturing reduce metal-to-metal contact, minimizing wear and extending operational life even in harsh conditions.
– **Reduced Maintenance Needs:** The robust design and high-quality materials decrease the frequency of re-lubrication and replacements, lowering total cost of ownership.

### **Typical Applications**
TIMKEN TSF tapered roller bearings are widely used across industries, including:

– **Industrial Machinery:** Conveyors, crushers, and mining equipment where shock loads and misalignment are common.
– **Automotive Systems:** Wheel ends, transmissions, and differentials requiring high precision and load management.
– **Precision Equipment:** Agricultural machinery, construction vehicles, and material handling systems that demand reliability under variable stresses.

Whether in metric or imperial sizes (such as the **TSF Imperial 658 series**), TIMKEN’s TSF tapered roller bearings provide a dependable solution for engineers seeking performance-driven components. By combining innovative design with decades of bearing expertise, TIMKEN ensures these bearings meet the rigorous demands of modern industrial and automotive applications—delivering efficiency, longevity, and reduced downtime.

For industries that cannot afford compromise, TIMKEN TSF bearings represent the gold standard in power transmission reliability.

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Part Number Series d - Bore D - Cup Outer Diameter B - Cone Width C - Cup Width T1 - Bearing Width to Flange C1 - Dynamic Radial Rating (1 million revolutions) C0 - Static Radial Rating
3482 - 3420-B
3400
34.925 mm
79.375 mm
29.771 mm
23.813 mm
10.320 mm
105000 N
119000 N
355X - 354-B
355
44.450 mm
85.001 mm
21.692 mm
17.463 mm
7.938 mm
97000 N
88800 N
336 - 332-B
335
41.275 mm
80 mm
22.403 mm
17.826 mm
7.938 mm
94300 N
83400 N
3480 - 3420-B
3400
35.001 mm
79.375 mm
29.771 mm
23.813 mm
10.320 mm
105000 N
119000 N
335-S - 332-B
335
33.338 mm
80 mm
22.403 mm
17.826 mm
7.938 mm
94300 N
83400 N
34306 - 34481-B
34000
77.788 mm
122.238 mm
23.012 mm
21.430 mm
7.938 mm
121000 N
136000 N
335 - 332-B
335
34.925 mm
80 mm
22.403 mm
17.826 mm
7.938 mm
94300 N
83400 N
34301 - 34481-B
34000
76.2 mm
122.238 mm
23.012 mm
21.430 mm
7.940 mm
102000 N
136000 N
334 - 332-B
335
30.163 mm
80 mm
22.403 mm
17.826 mm
7.938 mm
79500 N
83400 N
34274 - 34481-B
34000
69.952 mm
122.238 mm
23.012 mm
21.430 mm
7.938 mm
102000 N
136000 N
EE333137 - 333197-B
333000
349.250 mm
501.650 mm
84.138 mm
69.85 mm
34.925 mm
1350000 N
2780000 N
34275 - 34481-B
34000
70 mm
122.238 mm
23.012 mm
21.430 mm
7.938 mm
102000 N
136000 N
33281 - 33462-B
33000
71.438 mm
117.475 mm
30.163 mm
23.813 mm
11.113 mm
138000 N
197000 N
34300 - 34481-B
34000
76.2 mm
122.238 mm
23.012 mm
21.430 mm
7.938 mm
102000 N
136000 N
33287 - 33462-B
33000
73.025 mm
117.475 mm
30.163 mm
23.813 mm
11.113 mm
138000 N
197000 N
3576 - 3525-B
3500
41.275 mm
87.313 mm
30.886 mm
23.813 mm
11.113 mm
113000 N
134000 N
33895 - 33820-B
33800
53.975 mm
93.264 mm
28.575 mm
22.225 mm
10.320 mm
130000 N
161000 N
3578 - 3525-B
3500
44.450 mm
87.313 mm
30.886 mm
23.813 mm
11.113 mm
113000 N
134000 N
EE291250 - 291750-B
290000
317.500 mm
444.5 mm
61.913 mm
39.688 mm
36.513 mm
887000 N
1390000 N
3193 - 3120-B
3100
31.750 mm
72.626 mm
29.997 mm
23.813 mm
11.113 mm
94800 N
102000 N