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
6213C4
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.980 kg
6213ZZNR
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.021 kg
6213C5
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.980 kg
6213L1C3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.974 kg
6213P5
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.978 kg
6013C3
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.421 kg
6213C3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.980 kg
6313C3
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.080 kg
6413C3
65.000 mm
160.000 mm
37.000 mm
2.100 mm
3.360 kg
BL213C3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.090 kg
6913NR
65.000 mm
90.000 mm
13.000 mm
1.000 mm
0.208 kg
TMB213C3
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.980 kg
6913NRC3
65.000 mm
90.000 mm
13.000 mm
1.000 mm
0.208 kg
16013
65.000 mm
100.000 mm
11.000 mm
0.600 mm
0.293 kg
BL213NR
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.115 kg
16013C3
65.000 mm
100.000 mm
11.000 mm
0.600 mm
0.293 kg
BL313NR
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.110 kg
6813
65.000 mm
85.000 mm
10.000 mm
0.600 mm
6013
65.000 mm
100.000 mm
18.000 mm
1.100 mm
0.421 kg
6213
65.000 mm
120.000 mm
23.000 mm
1.500 mm
0.990 kg
6313
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.080 kg
6413
65.000 mm
160.000 mm
37.000 mm
2.100 mm
3.300 kg
BL213
65.000 mm
120.000 mm
23.000 mm
1.500 mm
1.080 kg
BL313
65.000 mm
140.000 mm
33.000 mm
2.100 mm
2.322 kg