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
6310ZN
50.000 mm
110.000 mm
27.000 mm
2.000 mm
1.070 kg
6910LUN
50.000 mm
72.000 mm
12.000 mm
0.600 mm
0.137 kg
6310ZNC3
50.000 mm
110.000 mm
27.000 mm
2.000 mm
1.070 kg
6810ZN
50.000 mm
65.000 mm
7.000 mm
0.300 mm
0.052 kg
6810ZNC3
50.000 mm
65.000 mm
7.000 mm
0.300 mm
0.052 kg
6910ZN
50.000 mm
72.000 mm
12.000 mm
0.600 mm
0.137 kg
6910ZNC3
50.000 mm
72.000 mm
12.000 mm
0.600 mm
0.137 kg
6010LBN
50.000 mm
80.000 mm
16.000 mm
1.000 mm
0.261 kg
6010LBNC3
50.000 mm
80.000 mm
16.000 mm
1.000 mm
0.261 kg
6209ZC4
45.000 mm
85.000 mm
19.000 mm
1.100 mm
0.398 kg
TMB309LLUC3/EM
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.821 kg
6309Z/2AS
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.814 kg
110/1W
44.704 mm
80.442 mm
16.000 mm
1.016 mm
6309ZC3/2AS
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.814 kg
110B
44.704 mm
80.442 mm
16.510 mm
1.016 mm
0.323 kg
6309ZC3/L627
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.814 kg
209AC3
45.000 mm
85.000 mm
19.000 mm
1.651 mm
0.088 kg
6010ZN
50.000 mm
80.000 mm
16.000 mm
1.000 mm
0.261 kg
309D
45.000 mm
100.000 mm
25.000 mm
2.413 mm
0.855 kg
6209T2C4
45.000 mm
85.000 mm
19.000 mm
1.100 mm
0.398 kg
BL209C3
45.000 mm
85.000 mm
19.000 mm
1.100 mm
0.452 kg
BL309C3
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.881 kg
6009ZZC3
45.000 mm
75.000 mm
16.000 mm
1.000 mm
0.241 kg
6209F604
45.000 mm
85.000 mm
19.000 mm
1.100 mm