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
5S-6308T2X5LLB-GC3P5/L700Q44
40.000 mm
90.000 mm
23.000 mm
1.500 mm
6309ZN
45.000 mm
100.000 mm
25.000 mm
1.500 mm
0.814 kg
63308LLBC3
40.000 mm
90.000 mm
36.500 mm
1.500 mm
0.990 kg
TS2-6208LBA-GLBACS40PX11V45
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.368 kg
6008LUC3/5C
40.000 mm
68.000 mm
15.000 mm
1.000 mm
BL208N
40.000 mm
80.000 mm
18.000 mm
1.100 mm
6208LLHAC3
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.360 kg
6008CEX1T2XLLA/38C4/L014Q1
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.180 kg
6208LLUAC3
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.368 kg
TS2-6808ZZNRC4
40.000 mm
52.000 mm
7.000 mm
0.300 mm
0.033 kg
BL308ZZNR
40.000 mm
90.000 mm
23.000 mm
1.500 mm
0.696 kg
SC0929
43.000 mm
68.000 mm
13.000 mm
0.146 kg
XLS1-3/4
44.450 mm
76.200 mm
14.288 mm
1.194 mm
6808LLUC2
40.000 mm
52.000 mm
7.000 mm
0.300 mm
0.029 kg
6208LLBFG1
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.368 kg
TMB208LLUC3/EM
40.000 mm
80.000 mm
18.000 mm
1.000 mm
0.360 kg
6008F600
40.000 mm
68.000 mm
15.000 mm
0.185 kg
SC08A67
40.000 mm
75.000 mm
16.000 mm
0.280 kg
TMB308CS32
40.000 mm
90.000 mm
23.000 mm
1.500 mm
0.630 kg
5S-6308ZZC3/2M
40.000 mm
90.000 mm
23.000 mm
1.500 mm
0.634 kg
6008ZZC3
40.000 mm
68.000 mm
15.000 mm
1.000 mm
0.187 kg
6208ZZC3
40.000 mm
80.000 mm
18.000 mm
1.100 mm
0.360 kg
6308T2XZZC3/EM
40.000 mm
90.000 mm
23.000 mm
1.500 mm
0.634 kg
6308ZZC3
40.000 mm
90.000 mm
23.000 mm
1.500 mm
0.634 kg