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
6005LHN
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.080 kg
R14ZZ
22.225 mm
47.625 mm
12.700 mm
0.787 mm
0.102 kg
R14LLB
22.225 mm
47.625 mm
12.700 mm
0.787 mm
0.102 kg
R14LLU
22.225 mm
47.625 mm
12.700 mm
0.787 mm
0.102 kg
TM623/22LLUA/22.2C3
22.200 mm
56.000 mm
21.000 mm
0.500 mm
0.230 kg
TM-623/22LLUA/22#01
22.200 mm
56.000 mm
21.000 mm
0.500 mm
0.230 kg
SC04B16ZZC3
22.225 mm
40.000 mm
12.000 mm
0.052 kg
R14ZZC3
22.225 mm
47.625 mm
12.700 mm
0.787 mm
0.102 kg
R14ZZC3/EM
22.225 mm
47.625 mm
12.700 mm
0.787 mm
0.102 kg
SX05A52
24.000 mm
56.000 mm
14.000 mm
0.151 kg
SX04A34V1
22.000 mm
65.000 mm
18.000 mm
0.262 kg
6005ZN
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.080 kg
SX04A81C3
22.000 mm
54.000 mm
14.000 mm
0.145 kg
6005ZNC3
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.080 kg
SX04A90C3
22.000 mm
56.000 mm
15.000 mm
0.164 kg
6205ZN
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.121 kg
SC04A90NPX1
22.000 mm
62.000 mm
15.000 mm
6205ZNC3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
SC04A70ZC2PX1
22.000 mm
33.500 mm
7.000 mm
0.017 kg
6204/22.217C3
22.217 mm
47.000 mm
14.000 mm
1.000 mm
63/22CX1/22.5C3PX1
22.500 mm
56.000 mm
16.000 mm
1.100 mm
0.176 kg
60/22LLU
22.000 mm
44.000 mm
12.000 mm
0.600 mm
0.075 kg
62/22LLU
22.000 mm
50.000 mm
14.000 mm
1.000 mm
0.117 kg
63/22LLU
22.000 mm
56.000 mm
16.000 mm
1.100 mm
0.178 kg