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
6224LLUNR
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6024ZZC4
120.000 mm
180.000 mm
28.000 mm
2.000 mm
2.130 kg
6224LLUNRC3
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6024LLBNR
120.000 mm
180.000 mm
28.000 mm
2.000 mm
6024LLBNRC3
120.000 mm
180.000 mm
28.000 mm
2.000 mm
6024N
120.000 mm
180.000 mm
28.000 mm
2.000 mm
6024NC3
120.000 mm
180.000 mm
28.000 mm
2.000 mm
6224N
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6224NC3
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6824N
120.000 mm
150.000 mm
16.000 mm
1.000 mm
6824NC3
120.000 mm
150.000 mm
16.000 mm
1.000 mm
6924N
120.000 mm
165.000 mm
22.000 mm
1.100 mm
6924NC3
120.000 mm
165.000 mm
22.000 mm
1.100 mm
6824C3
120.000 mm
150.000 mm
16.000 mm
1.000 mm
0.547 kg
6224ZZNR
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6924
120.000 mm
165.000 mm
22.000 mm
1.100 mm
1.192 kg
6224C2
120.000 mm
215.000 mm
40.000 mm
2.100 mm
5.260 kg
6224C4
120.000 mm
215.000 mm
40.000 mm
2.100 mm
5.260 kg
6224L1
120.000 mm
215.000 mm
40.000 mm
2.100 mm
6.340 kg
6224L1C3
120.000 mm
215.000 mm
40.000 mm
2.100 mm
5.150 kg
6324L1C3
120.000 mm
260.000 mm
55.000 mm
3.000 mm
12.400 kg
6224P5
120.000 mm
215.000 mm
40.000 mm
2.100 mm
5.260 kg
16024C3
120.000 mm
180.000 mm
19.000 mm
1.000 mm
1.580 kg
6924C3
120.000 mm
165.000 mm
22.000 mm
1.100 mm
1.192 kg