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
6052
260.000 mm
400.000 mm
65.000 mm
4.000 mm
6052C3
260.000 mm
400.000 mm
65.000 mm
4.000 mm
25.200 kg
16052C3
260.000 mm
400.000 mm
44.000 mm
3.000 mm
19.100 kg
16052
260.000 mm
400.000 mm
44.000 mm
3.000 mm
18.500 kg
6952F1/369.5C3
260.000 mm
369.500 mm
46.000 mm
2.100 mm
16.200 kg
6952C3
260.000 mm
360.000 mm
46.000 mm
2.100 mm
14.200 kg
6852C3
260.000 mm
320.000 mm
28.000 mm
2.000 mm
7.080 kg
6852
260.000 mm
320.000 mm
28.000 mm
2.000 mm
6952
260.000 mm
360.000 mm
46.000 mm
2.100 mm
6940
200.000 mm
280.000 mm
38.000 mm
2.100 mm
6840ALLU
200.000 mm
250.000 mm
24.000 mm
1.500 mm
2.520 kg
6840JR
200.000 mm
250.000 mm
24.000 mm
1.500 mm
2.690 kg
6240ZZ
200.000 mm
360.000 mm
58.000 mm
4.000 mm
6044
220.000 mm
340.000 mm
56.000 mm
3.000 mm
15.700 kg
6244
220.000 mm
400.000 mm
65.000 mm
4.000 mm
6344
220.000 mm
460.000 mm
88.000 mm
5.000 mm
60.800 kg
6044C3
220.000 mm
340.000 mm
56.000 mm
3.000 mm
16.300 kg
6244C3
220.000 mm
400.000 mm
65.000 mm
4.000 mm
33.000 kg
6344C3
220.000 mm
460.000 mm
88.000 mm
5.000 mm
6044L1C3
220.000 mm
340.000 mm
56.000 mm
3.000 mm
18.700 kg
6844C3
220.000 mm
270.000 mm
24.000 mm
1.500 mm
2.950 kg
6244L1C3
220.000 mm
400.000 mm
65.000 mm
4.000 mm
35.900 kg
16044C3
220.000 mm
340.000 mm
37.000 mm
2.100 mm
11.750 kg
16044
220.000 mm
340.000 mm
37.000 mm
2.100 mm
11.300 kg