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
63/32LUNC3
32.000 mm
75.000 mm
20.000 mm
1.100 mm
0.390 kg
63/32ZC3
32.000 mm
75.000 mm
20.000 mm
1.100 mm
62/32LU
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.224 kg
63/32LU
32.000 mm
75.000 mm
20.000 mm
1.100 mm
0.383 kg
62/32LUC3
32.000 mm
65.000 mm
17.000 mm
1.000 mm
63/32LUC3
32.000 mm
75.000 mm
20.000 mm
1.100 mm
60/32LU
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
60/32LUC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
62/32LB
32.000 mm
65.000 mm
17.000 mm
1.000 mm
60/32LBNC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
63306LLUAC3/EM
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.547 kg
62/32LBN
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.225 kg
SC06C19LLAN
30.000 mm
72.000 mm
16.000 mm
1.100 mm
0.360 kg
62/32LBNC3
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.225 kg
TS2-6306LLUAC3
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.360 kg
60/32LUN
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
6006ZD2PX17V76
30.000 mm
55.000 mm
13.000 mm
1.000 mm
0.247 kg
60/32LUNC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
6306Z/2AS
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.340 kg
6306Z/5C
30.000 mm
72.000 mm
19.000 mm
1.100 mm
0.340 kg
6307LU/30.15
30.150 mm
80.000 mm
21.000 mm
1.500 mm
0.498 kg
SC06D19ZZC4
31.500 mm
53.000 mm
12.000 mm
0.089 kg
60/32ZN
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg
60/32ZNC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.134 kg