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
6007C3
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.151 kg
6207C3
35.000 mm
72.000 mm
17.000 mm
1.000 mm
0.282 kg
6307C3
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.456 kg
6407C3
35.000 mm
100.000 mm
25.000 mm
1.500 mm
0.947 kg
TMB207C3
35.000 mm
72.000 mm
17.000 mm
1.000 mm
0.288 kg
TMB307C3
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.456 kg
6907
35.000 mm
55.000 mm
10.000 mm
0.600 mm
0.076 kg
6907C3
35.000 mm
55.000 mm
10.000 mm
0.600 mm
0.076 kg
6807
35.000 mm
47.000 mm
7.000 mm
0.300 mm
0.029 kg
16007
35.000 mm
62.000 mm
9.000 mm
0.300 mm
0.110 kg
6007C2P4
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.151 kg
6307
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.457 kg
6007C4
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.151 kg
6407
35.000 mm
100.000 mm
25.000 mm
1.500 mm
0.952 kg
6007F604
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.151 kg
BL207
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.305 kg
6007P5
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.152 kg
6307NR
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.466 kg
6307NRC3
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.466 kg
6307NRC4
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.466 kg
6307X50NRC3
35.000 mm
80.000 mm
21.000 mm
2.000 mm
0.462 kg
TMB207NRC3
35.000 mm
72.000 mm
17.000 mm
1.000 mm
0.298 kg
6907NR
35.000 mm
55.000 mm
10.000 mm
0.600 mm
0.076 kg
6907NRC3
35.000 mm
55.000 mm
10.000 mm
0.600 mm
0.076 kg