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
29260
300
420
73
3
1160000
950
29280
400
540
85
4
1640000
750
292/500
500
670
103
5
2390000
600
29360
300
480
109
5
2190000
710
29380
400
620
132
6
3250000
530
293/500
500
750
150
6
4350000
450
29460
300
540
145
6
3500000
630
29480
400
710
185
7.5
5400000
450
294/500
500
870
224
9.5
7850000
340
29264
320
440
73
3
1190000
950
29284
420
580
95
5
2010000
670
29364
320
500
109
5
2230000
670
29384
420
650
140
6
3500000
500
29464
320
580
155
7.5
3650000
560
29484
420
730
185
7.5
5650000
450
29268
340
460
73
3
1230000
900
29288
440
600
95
5
2030000
670
29368
340
540
122
5
2640000
630
29388
440
680
145
6
3750000
480
29468
340
620
170
7.5
4400000
530