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
6305/65
25.000 mm
65.000 mm
17.000 mm
1.100 mm
0.267 kg
6005ZZNRC3
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.087 kg
TMB205
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
6205F600
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
6205F604
25.000 mm
52.000 mm
15.000 mm
1.000 mm
6305F600
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.235 kg
TMB205T2XCS24
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.121 kg
5A-6TM-6205/26V150
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
TS3-6205UC5
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.121 kg
6205JR/25.4C3PX35
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.120 kg
6905C3
25.000 mm
42.000 mm
9.000 mm
0.300 mm
0.044 kg
6805JRC3
25.000 mm
37.000 mm
7.000 mm
0.300 mm
0.021 kg
6005D2CS16
25.000 mm
47.000 mm
12.000 mm
0.600 mm
6205C3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
6205P4
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.126 kg
6305C3
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.228 kg
6405C3
25.000 mm
80.000 mm
21.000 mm
1.500 mm
0.524 kg
6905
25.000 mm
42.000 mm
9.000 mm
0.300 mm
0.044 kg
6805
25.000 mm
37.000 mm
7.000 mm
0.300 mm
0.021 kg
16005
25.000 mm
47.000 mm
8.000 mm
0.300 mm
0.057 kg
16005C3
25.000 mm
47.000 mm
8.000 mm
0.300 mm
0.057 kg
6305LC
25.000 mm
62.000 mm
17.000 mm
1.100 mm
6805C3
25.000 mm
37.000 mm
7.000 mm
0.300 mm
0.021 kg
6005L1C3P4
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.079 kg