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
6813LLUNR
65.000 mm
85.000 mm
10.000 mm
0.600 mm
6813LLUNRC3
65.000 mm
85.000 mm
10.000 mm
0.600 mm
6913LLUNR
65.000 mm
90.000 mm
13.000 mm
1.000 mm
6213ZZNRC3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.019 kg
6913LLUNRC3
65.000 mm
90.000 mm
13.000 mm
1.000 mm
6313ZZNR
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.140 kg
6013LLBNR
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.460 kg
6313ZZNRC3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.140 kg
6313LLBNR
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.130 kg
6313C4
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.080 kg
6313L1C3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.450 kg
6313L1P5
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.110 kg
6413C4
65.000 mm
160.000 mm
37.000 mm
2.100 mm
3.360 kg
6013L1CC3P5
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.509 kg
6213L1ACS44P6
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.974 kg
6913C3
65.000 mm
90.000 mm
13.000 mm
1.000 mm
0.195 kg
6013V4
65.000 mm
100.000 mm
18.000 mm
1.000 mm
6213L1AC3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
6913
65.000 mm
90.000 mm
13.000 mm
1.000 mm
0.208 kg
6813C3
65.000 mm
85.000 mm
10.000 mm
0.600 mm
6013P4
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.421 kg
6013ZZNR
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.455 kg
6213AL1CC3P4
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.182 kg
6013ZZNRC3
65.000 mm
100.000 mm
18.000 mm
1.100 mm