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
SC06B07N
29.000 mm
89.000 mm
24.000 mm
6006ZN
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.116 kg
6006ZNC3
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.116 kg
6206ZN
30.000 mm
62.000 mm
16.000 mm
1.000 mm
0.199 kg
6206ZNC3
30.000 mm
62.000 mm
16.000 mm
1.000 mm
0.199 kg
6306ZN
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.360 kg
6306ZNC3
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.360 kg
6806ZN
30.000 mm
42.000 mm
7.000 mm
0.300 mm
0.023 kg
6806ZNC3
30.000 mm
42.000 mm
7.000 mm
0.300 mm
0.023 kg
6906ZN
30.000 mm
47.000 mm
9.000 mm
0.300 mm
0.050 kg
6906ZNC3
30.000 mm
47.000 mm
9.000 mm
0.300 mm
0.050 kg
R18ZZ
28.575 mm
53.975 mm
12.700 mm
0.787 mm
0.112 kg
6006LBN
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.116 kg
R18LLBC3
28.575 mm
53.975 mm
12.700 mm
0.787 mm
6006LBNC3
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.116 kg
R18LLU
28.575 mm
53.975 mm
12.700 mm
0.787 mm
0.113 kg
6006LUN
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.116 kg
60/28LLUC3
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.096 kg
62/28LLU
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.168 kg
62/28LLUC3
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.167 kg
63/28LLU
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.287 kg
63/28LLUC3
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.287 kg
BL3/28NR
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.329 kg
60/28LLUFG3
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.096 kg