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
6907ZNC3
35.000 mm
55.000 mm
10.000 mm
0.600 mm
0.076 kg
6007LBN
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.155 kg
6007LBNC3
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.155 kg
SC0663
31.750 mm
57.150 mm
9.520 mm
31.750 mm
6007LUN
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.155 kg
TMB3/32CC3
32.000 mm
75.000 mm
20.000 mm
0.394 kg
6007LUNC3
35.000 mm
62.000 mm
14.000 mm
1.000 mm
0.155 kg
6206BLUX/32C4/5A
32.000 mm
62.000 mm
16.000 mm
6207LUN
35.000 mm
72.000 mm
17.000 mm
1.000 mm
0.288 kg
62/32LLB
32.000 mm
65.000 mm
17.000 mm
1.000 mm
63/32LLB
32.000 mm
75.000 mm
20.000 mm
1.100 mm
62/32LLBC3
32.000 mm
65.000 mm
17.000 mm
1.000 mm
63/32LLBC3
32.000 mm
75.000 mm
20.000 mm
1.100 mm
60/32LLB
32.000 mm
58.000 mm
13.000 mm
1.000 mm
60/32LLBC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
60/32LLU
32.000 mm
58.000 mm
13.000 mm
1.000 mm
0.133 kg
62/32LLU
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.223 kg
63/32LLU
32.000 mm
75.000 mm
20.000 mm
1.100 mm
0.394 kg
R20LL
31.750 mm
57.150 mm
12.700 mm
0.787 mm
0.125 kg
62/32LLUC3
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.224 kg
62/32ZZ
32.000 mm
65.000 mm
17.000 mm
1.000 mm
0.225 kg
60/32LLUC3
32.000 mm
58.000 mm
13.000 mm
1.000 mm
63/32ZZ
32.000 mm
75.000 mm
20.000 mm
1.100 mm
0.397 kg
63/32LLUC3
32.000 mm
75.000 mm
20.000 mm
1.100 mm