Single Row Radial Ball Bearings

**NTN Single Row Deep Groove Ball Bearings: Precision, Durability & Performance for Demanding Applications**

NTN’s **Single Row Deep Groove Ball Bearings** represent the pinnacle of reliability and efficiency in radial bearing technology. Designed to handle both radial and moderate axial loads, these bearings are engineered for high-speed operation, low noise, and extended service life across a wide range of industrial and automotive applications. With precision-ground raceways, high-quality steel construction, and advanced sealing options, NTN’s deep groove ball bearings deliver unmatched performance in compact, lightweight designs.

### **Technical Features & Design Advantages**
NTN’s deep groove ball bearings incorporate several key innovations to optimize performance:
– **Robust Single-Row Design**: The deep, uninterrupted raceway geometry ensures smooth load distribution, reducing stress concentrations and wear.
– **High-Grade Materials**: Manufactured from premium chromium steel (SUJ2 equivalent) or specialty alloys, these bearings resist fatigue and deformation under heavy loads.
– **Precision Grinding & Tolerances**: NTN’s stringent manufacturing standards ensure ABEC-1 to ABEC-7 tolerance classes, minimizing vibration for sensitive applications.
– **Versatile Configurations**: Available with shields (ZZ, 2Z), rubber seals (LLU, 2LU), or open designs to suit lubrication and contamination control needs.
– **Optimized Cage Designs**: Options include pressed steel, machined brass, or polymer cages (e.g., glass fiber-reinforced PA66) for high-speed stability.

### **Performance Benefits**
– **Low Friction & Energy Efficiency**: Reduced torque losses enhance efficiency in motors, pumps, and electric vehicles (EVs).
– **High-Speed Capability**: Advanced lubrication and dynamic balancing enable stable operation at extreme RPMs (e.g., machine tool spindles).
– **Long Service Life**: NTN’s proprietary heat treatment and surface finishing technologies (like TF treatment) combat micropitting and extend bearing life.
– **Quiet Operation**: Precision engineering minimizes acoustic noise, ideal for HVAC fans and automotive alternators.

### **Typical Applications**
NTN’s deep groove ball bearings are integral to:
– **Industrial Machinery**: Electric motors, gearboxes, conveyors, and CNC equipment.
– **Automotive Systems**: Wheel hubs, transmissions, alternators, and EV drivetrains.
– **Precision Equipment**: Medical devices, robotics, and aerospace actuators.
– **Consumer Appliances**: Compressors, power tools, and agricultural machinery.

For engineers seeking a balance of load capacity, speed, and reliability, NTN’s deep groove ball bearings offer a proven solution backed by global R&D and stringent quality control. Whether in harsh industrial environments or high-performance automotive systems, these bearings ensure smooth, maintenance-free operation under demanding conditions.

*Explore NTN’s full range of sizes, seals, and specialty coatings to match your application’s exact requirements.*

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Part Number d D B r Mass
6030LLUC3
150.000 mm
225.000 mm
35.000 mm
2.100 mm
4.260 kg
6232
160.000 mm
290.000 mm
48.000 mm
3.000 mm
11.700 kg
6030LLU
150.000 mm
225.000 mm
35.000 mm
2.100 mm
4.260 kg
62306LLU
150.000 mm
270.000 mm
45.000 mm
3.000 mm
6230LLU
150.000 mm
270.000 mm
45.000 mm
3.000 mm
9.410 kg
6930C3
150.000 mm
210.000 mm
28.000 mm
2.000 mm
2.560 kg
6830C3
150.000 mm
190.000 mm
20.000 mm
1.100 mm
1.140 kg
6830
150.000 mm
190.000 mm
20.000 mm
1.100 mm
6930
150.000 mm
210.000 mm
28.000 mm
2.000 mm
7MC3-TMB330V6
150.000 mm
320.000 mm
65.000 mm
4.000 mm
6330C3
150.000 mm
320.000 mm
65.000 mm
4.000 mm
22.000 kg
6830N
150.000 mm
190.000 mm
20.000 mm
1.100 mm
6030L1C3
150.000 mm
225.000 mm
35.000 mm
2.100 mm
4.820 kg
6830NC3
150.000 mm
190.000 mm
20.000 mm
1.100 mm
6230L1C3
150.000 mm
270.000 mm
45.000 mm
3.000 mm
9.410 kg
6030ZZ
150.000 mm
225.000 mm
35.000 mm
2.100 mm
4.158 kg
6330L1C3
150.000 mm
320.000 mm
65.000 mm
4.000 mm
22.000 kg
6830ZZ
150.000 mm
190.000 mm
20.000 mm
1.100 mm
1.120 kg
TS3-6030C4
150.000 mm
225.000 mm
35.000 mm
2.100 mm
4.220 kg
5S-6330M8C3S30 - W1ND
150.000 mm
320.000 mm
65.000 mm
4.000 mm
22.000 kg
6230L1C2
150.000 mm
270.000 mm
45.000 mm
3.000 mm
11.800 kg
6230C4
150.000 mm
270.000 mm
45.000 mm
3.000 mm
9.940 kg
16030
150.000 mm
225.000 mm
24.000 mm
1.100 mm
3.070 kg
16030C3
150.000 mm
225.000 mm
24.000 mm
1.100 mm
3.070 kg