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
6328L1C3
140.000 mm
300.000 mm
62.000 mm
4.000 mm
18.500 kg
16028
140.000 mm
210.000 mm
22.000 mm
1.100 mm
2.450 kg
16028C3
140.000 mm
210.000 mm
22.000 mm
1.100 mm
2.450 kg
6228C4
140.000 mm
250.000 mm
42.000 mm
3.000 mm
7.520 kg
6928C3
140.000 mm
190.000 mm
24.000 mm
1.500 mm
1.650 kg
6828C3
140.000 mm
175.000 mm
18.000 mm
1.100 mm
0.850 kg
6228N
140.000 mm
250.000 mm
42.000 mm
3.000 mm
6228NC3
140.000 mm
250.000 mm
42.000 mm
3.000 mm
6828N
140.000 mm
175.000 mm
18.000 mm
1.100 mm
6828NC3
140.000 mm
175.000 mm
18.000 mm
1.100 mm
6928N
140.000 mm
190.000 mm
24.000 mm
1.500 mm
6328C3
140.000 mm
300.000 mm
62.000 mm
4.000 mm
18.500 kg
6928NC3
140.000 mm
190.000 mm
24.000 mm
1.500 mm
6828
140.000 mm
175.000 mm
18.000 mm
1.100 mm
0.828 kg
6028ZZ
140.000 mm
210.000 mm
33.000 mm
2.000 mm
3.480 kg
6928
140.000 mm
190.000 mm
24.000 mm
1.500 mm
6228ZZ
140.000 mm
250.000 mm
42.000 mm
3.000 mm
7.620 kg
6028NRC2
140.000 mm
210.000 mm
33.000 mm
2.000 mm
3.370 kg
6228NR
140.000 mm
250.000 mm
42.000 mm
3.000 mm
7.570 kg
6228NRC3
140.000 mm
250.000 mm
42.000 mm
3.000 mm
7.570 kg
6828NR
140.000 mm
175.000 mm
18.000 mm
1.100 mm
0.828 kg
6828NRC3
140.000 mm
175.000 mm
18.000 mm
1.100 mm
0.828 kg
6928NR
140.000 mm
190.000 mm
24.000 mm
1.500 mm
1.640 kg
6928NRC3
140.000 mm
190.000 mm
24.000 mm
1.500 mm
1.640 kg