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
62/28ZNC3
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.166 kg
60/28LUC3
28.000 mm
52.000 mm
12.000 mm
0.600 mm
63/28ZN
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.283 kg
63/28ZNC3
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.283 kg
60/28LBN
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.097 kg
60/28LBNC3
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.097 kg
62/28LBN
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.166 kg
62/28LBNC3
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.166 kg
60/28LUN
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.097 kg
60/28LUNC3
28.000 mm
52.000 mm
12.000 mm
0.600 mm
0.097 kg
62/28LUN
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.166 kg
62/28LUNC3
28.000 mm
58.000 mm
16.000 mm
1.000 mm
0.166 kg
63/28LUN
28.000 mm
68.000 mm
18.000 mm
1.100 mm
0.283 kg
6005Z/L183
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.080 kg
6205/27PX13
27.000 mm
52.000 mm
15.000 mm
1.000 mm
0.117 kg
6205Z/5C
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.120 kg
6205Z/LP03
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.120 kg
6205Z/LPB1
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.120 kg
6305X5ZC3
25.000 mm
62.000 mm
17.000 mm
0.232 kg
6305Z/5C
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.223 kg
R16ZZ
25.400 mm
50.800 mm
12.700 mm
0.787 mm
0.108 kg
R16LLB
25.400 mm
50.800 mm
12.700 mm
0.787 mm
0.107 kg
R16LLU
25.400 mm
50.800 mm
12.700 mm
0.787 mm
0.107 kg
R16LLUC3
25.400 mm
50.800 mm
12.700 mm
0.787 mm
0.107 kg