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
3191 - 3120-B
3100
30.163 mm
72.626 mm
29.997 mm
23.813 mm
11.112 mm
94800 N
102000 N
528 - 522-B
525
47.625 mm
101.600 mm
36.068 mm
26.988 mm
14.288 mm
165000 N
191000 N
797 - 792-B
795
130 mm
206.375 mm
47.625 mm
34.925 mm
20.638 mm
378000 N
593000 N
3197 - 3120-B
3100
33.338 mm
72.626 mm
29.997 mm
23.813 mm
11.112 mm
94800 N
102000 N
529 - 522-B
525
50.8 mm
101.600 mm
36.068 mm
26.988 mm
14.288 mm
165000 N
191000 N
82587 - 82950-B
82000
149.225 mm
241.300 mm
56.642 mm
44.450 mm
22.225 mm
515000 N
810000 N
3384 - 3320-B
3300
41.275 mm
80.167 mm
30.391 mm
23.813 mm
10.320 mm
115000 N
129000 N
529X - 522-B
525
50.8 mm
101.600 mm
36.068 mm
26.988 mm
14.288 mm
165000 N
191000 N
866 - 854-B
855
98.425 mm
190.5 mm
57.531 mm
44.450 mm
22.225 mm
458000 N
630000 N
34300 - 34478-B
34000
76.2 mm
121.442 mm
23.012 mm
17.463 mm
11.908 mm
102000 N
136000 N
543 - 532-B
535
40 mm
111.125 mm
36.957 mm
30.163 mm
14.288 mm
172000 N
206000 N
943 - 932-B
935
98.425 mm
212.725 mm
66.675 mm
53.975 mm
23.812 mm
572000 N
786000 N
344 - 332-B
335
40 mm
80 mm
22.403 mm
17.826 mm
7.938 mm
94300 N
83400 N
56418 - 56650-B
56000
106.363 mm
165.1 mm
36.513 mm
26.988 mm
15.875 mm
226000 N
355000 N
94650 - 94113-B
94000
165.1 mm
288.925 mm
63.5 mm
47.625 mm
26.988 mm
660000 N
1070000 N
3659 - 3620-B
3600
23.813 mm
61.913 mm
30.417 mm
23.813 mm
9.525 mm
88600 N
89800 N
59201 - 59414-B
59000
50.8 mm
104.775 mm
36.513 mm
28.575 mm
11.907 mm
202000 N
202000 N
96900 - 96140-B
96000
228.600 mm
355.6 mm
66.675 mm
47.625 mm
31.750 mm
759000 N
1420000 N
3774 - 3720-B
3700
39.688 mm
93.264 mm
30.302 mm
23.813 mm
11.112 mm
122000 N
153000 N
635 - 632-B
635
57.150 mm
136.525 mm
41.275 mm
31.750 mm
16.662 mm
233000 N
298000 N