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
7MP-6314M2C4P6
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.569 kg
6914C3
70.000 mm
100.000 mm
16.000 mm
1.000 mm
0.335 kg
6814C3
70.000 mm
90.000 mm
10.000 mm
0.600 mm
0.136 kg
BL214C3
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.180 kg
6014ZZNR
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.630 kg
TMB314C3
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.530 kg
6014ZZNRC3
70.000 mm
110.000 mm
20.000 mm
1.100 mm
16014
70.000 mm
110.000 mm
13.000 mm
0.600 mm
0.432 kg
6214ZZNR
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.090 kg
BL214NR
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.070 kg
BL314NR
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.560 kg
XLS2-3/4
69.850 mm
104.775 mm
17.463 mm
1.194 mm
0.458 kg
6014
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
6214
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.070 kg
6314
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.520 kg
6414
70.000 mm
180.000 mm
42.000 mm
3.000 mm
4.830 kg
BL214
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.180 kg
BL314
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.820 kg
6214NRC3
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.076 kg
6014C3
70.000 mm
110.000 mm
20.000 mm
1.100 mm
0.604 kg
6314NR
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.570 kg
6214C3
70.000 mm
125.000 mm
24.000 mm
1.500 mm
1.050 kg
6314NRC3
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.570 kg
6314C3
70.000 mm
150.000 mm
35.000 mm
2.100 mm
2.540 kg