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
63207LLBC3/9BQKM
35.000 mm
72.000 mm
27.000 mm
1.100 mm
0.443 kg
6307ZC3/L627
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.448 kg
6807LLBC3/EM
35.000 mm
47.000 mm
7.000 mm
0.300 mm
0.028 kg
6307LU/L738
35.000 mm
80.000 mm
21.000 mm
1.500 mm
TM-SC0788NCS40PX1
35.000 mm
80.000 mm
24.000 mm
2.000 mm
SC0759N
35.000 mm
80.000 mm
17.000 mm
2.310 mm
6207LLHAC3
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.271 kg
6307LLHAC3
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.456 kg
2TS2-7MB-SC07B78LLA1X4CM30V1
35.000 mm
62.000 mm
20.000 mm
1.000 mm
0.214 kg
6007ZZC3
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.150 kg
7C2-SX07A44LLUC3#01
35.000 mm
102.000 mm
28.000 mm
1.500 mm
6007ZZC3/LP03
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.150 kg
SC07A52LL
35.000 mm
72.000 mm
18.500 mm
1.100 mm
6207ZZC4/4M
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.284 kg
SX0730LL
35.000 mm
82.000 mm
27.000 mm
0.583 kg
6307ZZC4
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.461 kg
SX0768LULC4/2AS
35.000 mm
72.000 mm
33.000 mm
2.500 mm
0.371 kg
BL207ZZ
35.000 mm
72.000 mm
17.000 mm
1.100 mm
0.303 kg
SX07A25LLUPX2
35.000 mm
82.300 mm
27.099 mm
1.000 mm
0.610 kg
SX07A76LLUC3
35.000 mm
94.000 mm
28.000 mm
1.500 mm
SX07E14LLUC3PX1
35.000 mm
107.700 mm
25.000 mm
62207EE
35.000 mm
72.000 mm
23.000 mm
1.000 mm
0.380 kg
6307LLUC3
35.000 mm
80.000 mm
21.000 mm
1.500 mm
0.462 kg
16007C4
35.000 mm
62.000 mm
9.000 mm
0.300 mm
0.109 kg