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
6205LLU/25.4
25.400 mm
52.000 mm
15.000 mm
1.000 mm
0.129 kg
6205LLU/25.4C3/EM
25.400 mm
52.000 mm
15.000 mm
1.000 mm
0.129 kg
6205LLU-B/25.4V61
25.400 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
TS2-6305LLUAC3/L#12
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
6205/25.4C3PX35
25.400 mm
52.000 mm
15.000 mm
1.000 mm
0.120 kg
6205ZZNRC3/EM
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
6205LLB/25.4C3/EM
25.400 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
TS2-6805ZZNRC4
25.000 mm
37.000 mm
7.000 mm
0.300 mm
0.022 kg
SC05A61
26.000 mm
58.000 mm
15.000 mm
0.500 mm
1.156 kg
2TS2-6205LLUA1-G#02
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
6205LLUA1
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.130 kg
TS2-6305LLUA1CM1#02
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
TS3-6005LLUA1C4/#06
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.078 kg
2N2-6305LLUA-BC3V92
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
2N2-6305LLUAC3/L379QP
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
2TS2-6205LLUAC3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
2TS2-6205LLUAC3/L756QQ
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
6005LLUACM35
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.079 kg
6905LU/2AS
25.000 mm
42.000 mm
9.000 mm
0.300 mm
6205LLUAC3/EM
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
6005LUC3/2AS
25.000 mm
47.000 mm
12.000 mm
0.600 mm
6305LLUAC3/EM
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
6205NX3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
7N2-6305LLUAC3/L379QP
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg