Farm Implement Square Bore Bearings – Spherical O.D.

NTN Product Introduction

**NTN Rolling Bearings & Automotive Components: Precision Engineered for Demanding Applications**

NTN Corporation is a globally recognized leader in the design and manufacture of high-performance rolling bearings and automotive components, delivering unmatched reliability, durability, and efficiency across a wide range of industrial and agricultural applications. Among NTN’s extensive product portfolio, **ball bearings, insert bearings, and specialized farm implement bearings** stand out for their precision engineering, robust construction, and ability to withstand harsh operating conditions.

### **Ball Bearings: Precision and Versatility**
NTN’s ball bearings are engineered for smooth operation, reduced friction, and extended service life in both industrial and automotive systems. Featuring high-grade steel, advanced heat treatment, and precision-ground raceways, these bearings excel in applications requiring high-speed rotation, radial load capacity, and minimal maintenance. Common uses include electric motors, gearboxes, pumps, and automotive transmissions, where consistent performance under varying loads is critical.

### **Insert Bearings: Easy Installation, Superior Performance**
NTN’s insert bearings (also known as mounted bearings) are designed for simplified assembly and enhanced misalignment compensation. These units typically incorporate a spherical outer diameter (O.D.) and a locking mechanism, allowing for easy installation on shafts while maintaining optimal alignment. The **spherical O.D. design** accommodates angular misalignment, reducing stress on the bearing and extending equipment life. Insert bearings are widely used in conveyor systems, agricultural machinery, and material handling equipment, where shock loads and vibration resistance are essential.

### **Farm Implement Bearings: Built for Harsh Environments**
NTN’s **Farm Implement Bearings** are specifically engineered to endure the extreme conditions of agricultural machinery, including exposure to dirt, moisture, and heavy loads. The **Square Bore Bearings** variant offers a secure, anti-rotational fit when installed on square shafts, preventing slippage and ensuring consistent performance in high-torque applications. These bearings are commonly found in tillers, harvesters, and planting equipment, where reliability and resistance to contamination are crucial.

#### **Key Advantages of NTN Bearings:**
– **Superior Sealing:** Advanced sealing technologies protect against contaminants, extending bearing life in dirty or wet environments.
– **High Load Capacity:** Robust construction handles both radial and axial loads, ideal for heavy-duty machinery.
– **Corrosion Resistance:** Special coatings and materials enhance durability in corrosive or high-moisture conditions.
– **Reduced Maintenance:** Precision engineering minimizes friction and wear, lowering downtime and operational costs.

Whether in industrial automation, automotive drivetrains, or agricultural equipment, NTN’s bearings deliver **peak performance, longevity, and efficiency**, making them a trusted choice for engineers and maintenance professionals worldwide. By combining cutting-edge materials, innovative designs, and rigorous quality control, NTN ensures that its bearings meet the highest standards of performance in even the most demanding applications.

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Part Number H D C B r Mass
DS208TTR5
29.972 mm
80.000 mm
N/A
N/A
N/A
3.160 kg
DS208TTR8
29.972 mm
80.000 mm
30.200 mm
36.500 mm
2.250 mm
DS209TT5
33.020 mm
85.000 mm
30.163 mm
36.500 mm
N/A
DS209TTR15
29.972 mm
86.258 mm
N/A
N/A
N/A
4.770 kg
DS209TTR5
33.020 mm
85.000 mm
N/A
N/A
2.250 mm
3.500 kg
DS209TTR8
33.020 mm
85.000 mm
N/A
N/A
N/A
3.310 kg
DS210TT4
29.972 mm
90.000 mm
N/A
N/A
2.250 mm
4.190 kg
DS210TTR4
29.972 mm
90.000 mm
N/A
N/A
2.250 mm
4.280 kg
DS210TTR5
45.339 mm
90.000 mm
N/A
N/A
N/A
29.310 kg
DS211TT3
38.890 mm
100.000 mm
33.300 mm
33.300 mm
2.250 mm
DS211TT6
38.890 mm
104.725 mm
36.500 mm
44.450 mm
2.250 mm
7.290 kg
DS211TTR3
38.890 mm
100.000 mm
33.300 mm
33.300 mm
2.250 mm
DS216TTR2
58.725 mm
140.000 mm
14.000 mm
14.000 mm
N/A
14.630 kg
DS208TT9
26.162 mm
80.000 mm
N/A
24.000 mm
2.250 mm
3.700 kg
2AS09-1.1/4D1
32.766 mm
85.000 mm
30.200 mm
36.500 mm
2.250 mm
2AS10-1.1/8
28.575 mm
90.000 mm
23.000 mm
23.000 mm
2.250 mm
4.770 kg
2AS10-1.1/8D1
28.575 mm
90.000 mm
21.000 mm
21.000 mm
2.250 mm
4.770 kg
3AS11-1.1/2D1
38.890 mm
100.000 mm
33.300 mm
33.300 mm
2.250 mm
3AS14-2D1
52.200 mm
125.000 mm
39.690 mm
39.690 mm
4.000 mm
4AS08-1
26.162 mm
87.338 mm
30.200 mm
36.500 mm
2.250 mm