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
6008LBN
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
6008LBNC3
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
SX07B98LZ
35.700 mm
55.000 mm
15.000 mm
0.177 kg
6008LUN
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
SC0889LLAC4
38.000 mm
58.000 mm
15.000 mm
0.112 kg
6008LUNC3
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
SX0847LLC4
38.892 mm
80.000 mm
37.508 mm
0.584 kg
6208LUN
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.366 kg
SX0860LLUC4
38.892 mm
77.762 mm
19.710 mm
2.500 mm
0.362 kg
6208LUNC3
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.366 kg
6008ZN
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
6008ZNC3
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.190 kg
6208ZN
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.366 kg
2TS2-SC07A32LLAX7CS31/L417Q1
35.000 mm
72.000 mm
25.000 mm
1.100 mm
0.288 kg
2TS2-SC07B78LLAX
35.000 mm
62.000 mm
20.000 mm
1.000 mm
0.214 kg
6007LLUAP63E
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.150 kg
6007LLUAX4C3/LX16Q32
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.150 kg
6207LLUA4X4CM30
35.000 mm
72.000 mm
17.000 mm
1.000 mm
0.572 kg
BL307ZZ
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.500 kg
6307LLUAC3/EM
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.462 kg
TS2-6207ZZC4/4M
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.284 kg
6007ZC3/5C
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.148 kg
W5207ZZ
35.000 mm
72.000 mm
30.162 mm
1.100 mm
0.505 kg
6207Z/L627
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.276 kg