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
SX05A02NV1
25.000 mm
71.000 mm
19.800 mm
1.500 mm
TS2-6305LLUAC3
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
SX05A45NCS08
25.000 mm
56.200 mm
18.000 mm
SX05A87NC
25.000 mm
52.000 mm
15.000 mm
6205LLHAC3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.121 kg
6205ZZC3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.128 kg
6305ZZV37
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.236 kg
BL205ZZ
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.142 kg
BL305ZZ
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.243 kg
W5205ZZ
25.000 mm
52.000 mm
23.812 mm
1.000 mm
0.204 kg
405
25.000 mm
80.000 mm
21.000 mm
0.535 kg
6205LLBC3
25.000 mm
52.000 mm
15.000 mm
1.000 mm
0.127 kg
6205T2/26
25.000 mm
52.000 mm
15.000 mm
0.120 kg
6305LLBC3
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.230 kg
6205T2PX29
25.000 mm
52.000 mm
15.000 mm
0.120 kg
63205LLB/LPB3
25.000 mm
52.000 mm
20.600 mm
1.000 mm
0.172 kg
SX05A46C4
25.000 mm
52.000 mm
15.000 mm
0.121 kg
63205LLBC3/9BQKM
25.000 mm
52.000 mm
20.600 mm
1.000 mm
0.172 kg
SX05A66
25.000 mm
48.000 mm
27.000 mm
0.109 kg
TM-5205
25.000 mm
52.000 mm
20.600 mm
0.178 kg
TMB205/56W-5
25.000 mm
56.000 mm
15.000 mm
0.165 kg
TMB305C3
25.000 mm
62.000 mm
17.000 mm
1.100 mm
0.232 kg
6005ZZC3
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.079 kg
6005ZZC3/4M
25.000 mm
47.000 mm
12.000 mm
0.600 mm
0.079 kg