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
A2037 - A2126-B
A2000
9.525 mm
31.991 mm
10.785 mm
7.938 mm
4.458 mm
10800 N
9230 N
385AX - 382-B
385
50.8 mm
96.838 mm
21.946 mm
17.826 mm
7.938 mm
108000 N
107000 N
643 - 632-B
635
69.850 mm
136.525 mm
41.275 mm
31.750 mm
16.662 mm
276000 N
298000 N
A2047 - A2126-B
A2000
11.986 mm
31.991 mm
10.785 mm
7.938 mm
4.458 mm
10800 N
9230 N
39585 - 39520-B
39500
63.500 mm
112.713 mm
30.163 mm
23.813 mm
11.908 mm
167000 N
224000 N
644 - 632-B
635
71.438 mm
136.525 mm
41.275 mm
31.750 mm
16.662 mm
276000 N
298000 N
3975 - 3920-B
3900
50.8 mm
112.713 mm
30.048 mm
23.813 mm
11.112 mm
139000 N
191000 N
65212 - 65500-B
65000
53.975 mm
127 mm
44.45 mm
34.925 mm
16.670 mm
243000 N
297000 N
42687 - 42620-B
42600
76.2 mm
127 mm
31.001 mm
22.225 mm
13.496 mm
161000 N
222000 N
65225 - 65500-B
65000
57.150 mm
127 mm
44.45 mm
34.925 mm
16.670 mm
243000 N
297000 N
43125 - 43312-B
43000
31.750 mm
79.375 mm
24.074 mm
17.463 mm
13.495 mm
92000 N
76200 N
6576C - 6535-B
6500
76.2 mm
161.925 mm
55.100 mm
42.863 mm
19.05 mm
439000 N
523000 N
465 - 453-B
455
50 mm
107.95 mm
29.317 mm
22.225 mm
11.112 mm
161000 N
166000 N
67390 - 67320-B
67300
133.350 mm
203.2 mm
46.038 mm
38.100 mm
15.083 mm
368000 N
625000 N
48393 - 48320-B
48300
136.525 mm
190.5 mm
39.688 mm
33.338 mm
11.908 mm
283000 N
542000 N
67787 - 67725-B
67700
174.625 mm
247.650 mm
47.625 mm
41.275 mm
14.288 mm
405000 N
779000 N
49175 - 49368-B
49000
44.450 mm
93.663 mm
31.750 mm
25.400 mm
11.908 mm
136000 N
156000 N
762 - 752-B
755
73.025 mm
161.925 mm
48.260 mm
38.100 mm
17.450 mm
327000 N
441000 N
LM451349 - LM451310-B
LM451300
266.7 mm
355.6 mm
57.150 mm
44.450 mm
22.225 mm
743000 N
1510000 N
07100 - 07196-B
07000
25.400 mm
50.005 mm
14.260 mm
9.525 mm
6.749 mm
29100 N
29600 N