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
6201LLB/12.7
12.700 mm
32.000 mm
10.000 mm
0.600 mm
6201LLB/12.7C3/EM
12.700 mm
32.000 mm
10.000 mm
0.600 mm
0.036 kg
6202LLB/12.71C3
12.710 mm
35.000 mm
11.000 mm
0.600 mm
6203LLB/12.7
12.700 mm
40.000 mm
12.000 mm
0.600 mm
0.064 kg
6203LLB/12.7C3
12.700 mm
40.000 mm
12.000 mm
0.600 mm
0.064 kg
6201LLB/13C3
13.000 mm
32.000 mm
10.000 mm
0.600 mm
0.037 kg
TMB203LLB/12.687
12.687 mm
40.000 mm
12.687 mm
0.600 mm
6201LLU/12.69C3/#01
12.690 mm
32.000 mm
10.000 mm
0.600 mm
0.037 kg
6201LLU/12.7C3/EM
12.700 mm
32.000 mm
10.000 mm
0.600 mm
0.036 kg
6202LLU/12.7
12.700 mm
35.000 mm
11.000 mm
0.600 mm
0.049 kg
6201LLU/13C3
13.000 mm
32.000 mm
10.000 mm
0.600 mm
6201LLU/12.69C3
12.690 mm
32.000 mm
10.000 mm
0.600 mm
0.037 kg
TSX1-SX01A28LLBA1C4PX1/LX01Q1
12.705 mm
38.092 mm
11.112 mm
1.500 mm
0.061 kg
6301ZZC3
12.000 mm
37.000 mm
12.000 mm
1.000 mm
0.061 kg
6201LLBC3
12.000 mm
32.000 mm
10.000 mm
0.600 mm
0.037 kg
6201LLBC3/LP03
12.000 mm
32.000 mm
10.000 mm
0.600 mm
0.037 kg
6901LLB/LP03
12.000 mm
24.000 mm
6.000 mm
0.300 mm
0.011 kg
6301LUC3/2AS
12.000 mm
37.000 mm
12.000 mm
1.000 mm
6001LLHAC3
12.000 mm
28.000 mm
8.000 mm
0.300 mm
0.020 kg
2TS3-SC01A36ZZNRV1
12.000 mm
21.000 mm
5.000 mm
0.300 mm
0.006 kg
6001Z/L657
12.000 mm
28.000 mm
8.000 mm
0.300 mm
0.020 kg
6001ZC3/5C
12.000 mm
28.000 mm
8.000 mm
0.300 mm
0.019 kg
6201Z/2AS
12.000 mm
32.000 mm
10.000 mm
0.600 mm
0.036 kg
R8ZC3
12.700 mm
28.575 mm
7.938 mm
0.406 mm
0.018 kg