Drawn Cup Needle Roller Bearing

**NTN Drawn Cup Needle Roller Bearings: Precision, Durability, and Space-Saving Performance**

NTN’s **Drawn Cup Needle Roller Bearings** represent a high-performance solution for applications demanding compact design, high load capacity, and smooth rotational performance. Engineered with precision, these bearings are a critical component in industrial machinery, automotive systems, and precision equipment where space constraints and reliability are key considerations.

### **Technical Features & Design Advantages**
NTN’s drawn cup needle roller bearings feature a thin-walled, pressed steel outer ring (drawn cup) that houses a full complement of needle rollers and, in some designs, a cage for improved guidance. This construction ensures:

– **Space-Saving Design:** The slim profile allows for significant radial load capacity within minimal installation space, making them ideal for compact assemblies.
– **High Load Capacity:** Despite their lightweight construction, these bearings handle substantial radial loads due to the optimized line contact of the needle rollers.
– **Low Friction & Smooth Operation:** Precision-ground rollers and high-quality steel ensure minimal rotational resistance, reducing energy loss and wear.
– **Versatility in Configurations:** Available in **open**, **closed-end**, and **caged** variants to suit different lubrication and sealing requirements.
– **Ease of Installation:** The drawn cup design simplifies press-fitting into housings, eliminating the need for additional machining in many applications.

### **Performance Benefits for Critical Applications**
NTN’s drawn cup needle roller bearings excel in environments where reliability and efficiency are paramount:

– **Automotive Systems:** Widely used in transmissions, steering columns, and engine components (e.g., rocker arm pivots), where their compactness and durability enhance performance.
– **Industrial Machinery:** Ideal for gearboxes, conveyor systems, and textile machinery, where high-speed operation and shock resistance are required.
– **Precision Equipment:** Found in robotics, medical devices, and small electric motors, ensuring smooth motion control with minimal maintenance.

### **Why Choose NTN Drawn Cup Needle Roller Bearings?**
NTN combines advanced manufacturing techniques with stringent quality control to deliver bearings that meet the highest industry standards. Their superior material selection, heat treatment processes, and surface finishing contribute to extended service life even under demanding conditions.

Whether in high-speed automotive drivetrains or heavy-duty industrial gearboxes, NTN’s drawn cup needle roller bearings provide a reliable, space-efficient solution that enhances system performance while reducing downtime. For engineers and designers seeking a balance of strength, precision, and compactness, these bearings are a proven choice.

Explore NTN’s full range to find the optimal bearing solution for your application’s demands.

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Part Number Fw D C C3 Mass
HMK4028L
40.000 mm
50.000 mm
28.000 mm
N/A
0.097 kg
HMK3720
37.000 mm
47.000 mm
20.000 mm
N/A
0.070 kg
HMK4030
40.000 mm
50.000 mm
30.000 mm
N/A
0.112 kg
HMK3730
37.000 mm
47.000 mm
30.000 mm
N/A
0.105 kg
HMK4031LL
40.000 mm
50.000 mm
31.000 mm
N/A
0.100 kg
HMK3815
38.000 mm
48.000 mm
15.000 mm
N/A
0.054 kg
HMK4040ZWD
40.000 mm
50.000 mm
40.000 mm
N/A
0.150 kg
HMK3820
38.000 mm
40.000 mm
20.000 mm
N/A
0.072 kg
HMK3825
38.000 mm
48.000 mm
25.000 mm
N/A
0.090 kg
HMK3828L
38.000 mm
48.000 mm
28.000 mm
N/A
0.094 kg
HMK3830
38.000 mm
48.000 mm
30.000 mm
N/A
0.107 kg
HMK3831LL
38.000 mm
48.000 mm
31.000 mm
N/A
0.098 kg
HMK3845ZWD
38.000 mm
48.000 mm
45.000 mm
N/A
0.161 kg
HMK4015
40.000 mm
50.000 mm
15.000 mm
N/A
0.056 kg
HMK3520
35.000 mm
45.000 mm
20.000 mm
N/A
0.067 kg
HMK3015
30.000 mm
40.000 mm
15.000 mm
N/A
0.044 kg
HMK3521LL
35.000 mm
45.000 mm
21.000 mm
N/A
0.056 kg
HMK3020
30.000 mm
40.000 mm
20.000 mm
N/A
0.058 kg
HMK3525
35.000 mm
45.000 mm
25.000 mm
N/A
0.083 kg
HMK3023L
30.000 mm
40.000 mm
23.000 mm
N/A
0.061 kg
HMK3528L
35.000 mm
45.000 mm
28.000 mm
N/A
0.086 kg
HMK3025
30.000 mm
40.000 mm
25.000 mm
N/A
0.073 kg
HMK3530
35.000 mm
45.000 mm
30.000 mm
N/A
0.100 kg
HMK3026LL
30.000 mm
40.000 mm
26.000 mm
N/A
0.064 kg