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
6014LBNC3
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
6014LUN
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
6014LUNC3
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
6214LUN
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.070 kg
6214LUNC3
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.070 kg
6313LLUC3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.090 kg
6014ZN
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
TMB313LLUC3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.091 kg
313
65.000 mm
140.000 mm
33.000 mm
2.769 mm
2.164 kg
313A
65.000 mm
140.000 mm
33.000 mm
2.769 mm
2.164 kg
6013L1C3
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.514 kg
6013P6
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.445 kg
6213L1ACS44
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.974 kg
BL313LU
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.322 kg
SC1322C3
65.000 mm
88.500 mm
10.000 mm
0.147 kg
6013ZZC3
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.439 kg
6313Z/2AS
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.020 kg
6313ZZC3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.020 kg
6913ZZV7
65.000 mm
90.000 mm
13.000 mm
1.000 mm
0.204 kg
6013FT150
65.000 mm
100.000 mm
18.000 mm
1.100 mm
6013LLBC3
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.441 kg
6213FT150
65.000 mm
120.000 mm
23.000 mm
1.500 mm
6213LUCS32
65.000 mm
120.000 mm
23.000 mm
1.500 mm
6013LLUC3
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.441 kg