Thrust Tapered Roller Bearings-Type TTC, TTCS, TTCL

**TIMKEN Thrust Bearings: High-Performance Solutions for Demanding Axial Load Applications**

TIMKEN is a global leader in engineered bearings and mechanical power transmission products, renowned for delivering reliability, durability, and precision in the most demanding industrial and automotive applications. Among its extensive portfolio, **TIMKEN Thrust Tapered Roller Bearings (Type TTC, TTCS, and TTCL)** stand out as high-performance solutions designed to handle heavy axial loads while accommodating moderate radial loads. These bearings are engineered to excel in applications where space constraints, high thrust capacity, and long service life are critical.

### **Technical Features & Design Advantages**
TIMKEN’s **TTC, TTCS, and TTCL** thrust tapered roller bearings feature a robust design optimized for axial load support:

– **Tapered Roller Geometry** – The precision-ground rollers and raceways are angled to distribute loads evenly, reducing stress concentrations and extending bearing life.
– **High Load Capacity** – Engineered to withstand heavy axial loads in one direction, with some radial load capability, making them ideal for applications like gearboxes, screw drives, and heavy machinery.
– **Robust Cage Designs** – Depending on the series, these bearings use **bronze (TTC), steel (TTCS), or polymer (TTCL) cages**, ensuring stability at high speeds and in harsh operating conditions.
– **Precision Ground Surfaces** – The raceways and rollers are manufactured to tight tolerances, minimizing friction and heat generation while enhancing efficiency.
– **Sealed & Lubricated Options** – Some variants come with integrated seals or lubrication provisions, reducing maintenance needs in contaminated environments.

### **Performance Benefits**
TIMKEN thrust tapered roller bearings provide several key advantages over conventional thrust bearings:

– **Superior Durability** – The hardened steel construction and optimized roller profile resist wear, even under heavy loads and shock conditions.
– **Reduced Friction & Heat Build-Up** – Precision engineering ensures smooth operation, lowering energy consumption and preventing premature failure.
– **Versatile Mounting Options** – The **TTC (standard), TTCS (steel cage for higher speeds), and TTCL (polymer cage for corrosion resistance)** series offer flexibility for different operating environments.
– **Extended Service Intervals** – High-quality materials and advanced lubrication options reduce downtime and maintenance costs.

### **Typical Applications**
TIMKEN thrust tapered roller bearings are widely used in industries requiring robust axial load support, including:

– **Industrial Machinery** – Gear reducers, extruders, presses, and mining equipment.
– **Automotive & Transportation** – Heavy-duty transmissions, axle systems, and drivetrains.
– **Energy & Heavy Equipment** – Wind turbine pitch controls, construction machinery, and oilfield equipment.
– **Precision Systems** – Machine tool spindles and positioning systems where accuracy is critical.

With decades of expertise in bearing technology, TIMKEN continues to innovate, ensuring that its **TTC, TTCS, and TTCL thrust tapered roller bearings** deliver unmatched performance in the most challenging applications. Whether in high-load industrial settings or precision automotive systems, these bearings provide the reliability and longevity that engineers and maintenance teams depend on.

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Part Number Oil Holes in Retainer d - Bore Diameter D - Bearing O.D. T - Bearing Width Steering Pivot Rating
T4020-90010
No
N/A
179.619 mm
31.75 mm
324000 N
T402-904A1
No
N/A
179.619 mm
44.45 mm
344000 N
T402W-90010
Yes
N/A
179.619 mm
44.45 mm
344000 N
T301W-904A3
Yes
N/A
133.350 mm
33.338 mm
178500 N
T302-904A2
No
N/A
133.350 mm
34.925 mm
178500 N
T302W-904A1
Yes
N/A
133.350 mm
34.925 mm
178500 N
T302W-90010
Yes
N/A
133.350 mm
34.925 mm
178500 N
T350-904A1
No
N/A
133.350 mm
33.335 mm
115500 N
T178-90011
No
N/A
73 mm
19 mm
47500 N
T1920-90010
No
N/A
85.471 mm
16.383 mm
56500 N
T163-904A2
No
N/A
72.619 mm
21.433 mm
47000 N
T201-904A4
No
N/A
93.269 mm
26.187 mm
86000 N
T163W-904A4
Yes
N/A
72.619 mm
21.433 mm
47000 N
T201W-904A2
Yes
N/A
93.269 mm
26.187 mm
86000 N
T1260-904A1
No
N/A
55.562 mm
15.875 mm
27600 N
T176-904A1
No
N/A
82.956 mm
23.812 mm
64000 N
T202-904A2
No
N/A
93.269 mm
26.975 mm
86000 N
T1260W-90010
Yes
N/A
55.562 mm
15.875 mm
27600 N
T176W-904A2
Yes
N/A
82.956 mm
23.812 mm
64000 N
T202W-904A3
Yes
N/A
93.269 mm
26.975 mm
86000 N