Thrust Spherical Roller Bearings

**NSK Thrust Spherical Roller Bearings: Precision, Durability, and High-Load Performance for Demanding Applications**

In industries where heavy axial loads, misalignment compensation, and reliable performance under extreme conditions are critical, **NSK’s Thrust Spherical Roller Bearings** stand out as a premier solution. Engineered to deliver unmatched precision, durability, and load-bearing capacity, these bearings are a key component in heavy machinery, automotive systems, and precision equipment where operational efficiency and longevity are non-negotiable.

### **Technical Features & Design Advantages**
NSK’s Thrust Spherical Roller Bearings are designed with a **self-aligning capability**, thanks to their spherical raceway in the housing washer. This allows them to accommodate **shaft misalignment and mounting errors**, reducing stress and wear while maintaining smooth operation. The **asymmetric barrel-shaped rollers** optimize load distribution, significantly enhancing bearing life even under heavy axial and moderate radial loads.

Key features include:
– **High Load Capacity:** Engineered to withstand **heavy axial loads** and shock forces, making them ideal for applications like heavy presses, gearboxes, and mining equipment.
– **Robust Construction:** Premium-grade materials and advanced heat treatment processes ensure **resistance to wear, fatigue, and deformation** under continuous high-stress conditions.
– **Enhanced Lubrication Retention:** Optimized internal geometry promotes efficient lubricant distribution, reducing friction and heat generation for **longer service intervals**.
– **Sealed & Shielded Options:** Available with integrated sealing solutions to **prevent contamination** in harsh environments such as steel mills or construction machinery.

### **Performance Benefits for Industrial & Automotive Applications**
NSK’s Thrust Spherical Roller Bearings excel in applications requiring **high thrust load support with minimal friction**, ensuring energy efficiency and reduced maintenance costs. Their ability to compensate for misalignment makes them indispensable in:
– **Industrial Machinery:** Used in **hydraulic presses, extruders, and crane hooks** where axial forces dominate.
– **Mining & Construction Equipment:** Critical in **vibratory screens, crushers, and conveyor systems** exposed to heavy loads and vibration.
– **Marine & Wind Turbine Systems:** Withstand **variable thrust loads** while resisting corrosion in offshore environments.
– **Automotive Transmissions & Drivetrains:** Provide reliable axial load support in **heavy-duty trucks and off-road vehicles**.

### **Why Choose NSK Thrust Spherical Roller Bearings?**
NSK combines **precision engineering, rigorous testing, and advanced materials science** to deliver bearings that outperform competitors in reliability and efficiency. Whether in high-speed industrial automation or rugged off-road applications, these bearings ensure **extended operational life, reduced downtime, and lower total cost of ownership**.

For industries demanding **robust, high-performance thrust solutions**, NSK’s Thrust Spherical Roller Bearings represent the pinnacle of innovation in motion control technology.

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Designations Nominal Dimensions Basic Load Ratings Speeds
Limiting Speeds
d
mm
D
mm
T,T3
mm
r (min.)
mm
Ca
N
Oil (Oil-bath)
min-1
29330E
150
250
60
2.1
870000
1400
29248
240
340
60
2.1
800000
1200
29416E
80
170
54
2.1
575000
2000
29430E
150
300
90
4
1580000
1100
29348
240
380
85
4
1360000
950
29317E
85
150
39
1.5
330000
2400
29332E
160
270
67
3
1010000
1300
29448
240
440
122
6
2420000
750
29417E
85
180
58
2.1
630000
1900
29432E
160
320
95
5
1740000
1100
29252
260
360
60
2.1
855000
1200
29318E
90
155
39
1.5
350000
2200
29334E
170
280
67
3
1050000
1200
29352
260
420
95
5
1700000
800
29418E
90
190
60
2.1
695000
1800
29434
170
340
103
5
1680000
1000
29320E
100
170
42
1.5
410000
2000
29336E
180
300
73
3
1230000
1100
29420E
100
210
67
3
840000
1600
29436
180
360
109
5
1870000
900