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
6309T2ZZC3
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.824 kg
6309X4ZZC3
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.824 kg
BL209ZZ
45.000 mm
85.000 mm
19.000 mm
1.100 mm
0.411 kg
TMB209ZZC3
45.000 mm
85.000 mm
19.000 mm
1.100 mm
TMB209T2LBLUCS221
45.000 mm
85.000 mm
19.000 mm
1.100 mm
6209LLH
45.000 mm
85.000 mm
19.000 mm
1.100 mm
TMB308LLUC3/EM
45.000 mm
100.000 mm
25.000 mm
2.000 mm
0.600 kg
6309LLH
45.000 mm
100.000 mm
25.000 mm
1.500 mm
6209FT150
45.000 mm
85.000 mm
19.000 mm
1.100 mm
6009FT150
45.000 mm
75.000 mm
16.000 mm
1.000 mm
6309FT150
45.000 mm
100.000 mm
25.000 mm
1.500 mm
6209HT200
45.000 mm
85.000 mm
19.000 mm
1.100 mm
6309HT200
45.000 mm
100.000 mm
25.000 mm
1.500 mm
AB41275
45.000 mm
80.000 mm
26.000 mm
0.600 mm
0.366 kg
SX0961LLU
45.000 mm
114.000 mm
35.000 mm
2.000 mm
SX0964LLU
45.000 mm
118.000 mm
40.000 mm
1.920 kg
SX0965LLU
45.000 mm
117.000 mm
40.000 mm
1.168 kg
SX09A52LLU
45.000 mm
101.350 mm
28.500 mm
2.000 mm
0.982 kg
2N-SX0960LLUPX2/#01
45.000 mm
115.000 mm
35.000 mm
2.000 mm
1.161 kg
6209LLHC3
45.000 mm
85.000 mm
19.000 mm
1.100 mm
0.393 kg
6009LLUC3
45.000 mm
75.000 mm
16.000 mm
1.000 mm
0.240 kg
6009LLHC3
45.000 mm
75.000 mm
16.000 mm
1.000 mm
0.235 kg
6309LLUC3
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.829 kg
6009LLH
45.000 mm
75.000 mm
16.000 mm
1.000 mm