Square Flanged Units

**Introduction to NSK Bearing Units: Flanged Ball Bearing Units (Square Flanged Units)**

NSK’s **Flanged Ball Bearing Units (Square Flanged Units)** represent a robust and precision-engineered solution for applications demanding reliable rotational motion, high load capacity, and ease of installation. Designed for industrial machinery, automotive systems, and precision equipment, these bearing units combine NSK’s advanced bearing technology with a durable housing design to deliver exceptional performance in harsh operating environments.

### **Technical Features & Design Advantages**
The **Square Flanged Units** feature a compact, integrally cast housing with a square flange for secure mounting, ensuring stability and precise alignment in confined spaces. Key technical highlights include:

– **High-Performance Bearings**: Equipped with deep-groove ball bearings manufactured to NSK’s exacting standards, these units offer low friction, high-speed capability, and extended service life.
– **Robust Housing**: The housing is typically made from high-strength cast iron or pressed steel, providing rigidity and resistance to shock loads, vibration, and contamination.
– **Sealing Solutions**: Advanced sealing options (e.g., rubber seals or metal shields) protect against dust, moisture, and debris, enhancing reliability in demanding conditions.
– **Pre-Applied Lubrication**: Factory-lubricated with high-quality grease, reducing maintenance requirements and ensuring smooth operation from installation.
– **Easy Mounting**: The square flange design simplifies alignment and fastening, while the standardized dimensions (e.g., ISO or JIS compliance) ensure interchangeability.

### **Performance Benefits**
NSK’s Square Flanged Bearing Units excel in applications where durability, precision, and efficiency are critical:

– **High Load Capacity**: Optimized internal geometry supports radial and moderate axial loads, making them ideal for conveyor systems, gearboxes, and agricultural machinery.
– **Energy Efficiency**: Low torque and friction reduce power consumption, contributing to sustainable operations.
– **Reduced Downtime**: The sealed, long-life design minimizes wear and contamination-related failures, lowering total cost of ownership.

### **Typical Applications**
These units are widely used across industries, including:
– **Industrial Machinery**: Conveyors, pumps, fans, and material handling systems.
– **Automotive Systems**: Auxiliary drives, tensioners, and transmission components.
– **Precision Equipment**: Packaging machines, printing rollers, and food processing lines.

By integrating **NSK’s Square Flanged Bearing Units**, engineers can achieve reliable, maintenance-free motion control with the assurance of NSK’s global reputation for precision and durability. Whether in high-load industrial settings or precision-critical automation, these units deliver consistent performance under pressure.

For specialized requirements, NSK offers customization options, including material variants, sealing upgrades, and corrosion-resistant coatings—ensuring optimal performance for every application.

MORE +
CLOSE +
Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
L
mm
J
mm
B,B1,B2
mm
Cr
kN
C0r
kN
Bearing Housing
UKF322D1
100
340
266
105
205
179
UK322D1
F322D1
C-UCFS322D1
110
340
266
117
205
179
UC322D1
FS322D1
UCF319D1
95
290
228
103
153
119
UC319D1
F319D1
C-UKF322D1
100
340
266
105
205
179
UK322D1
F322D1
CM-UCFS322D1
110
340
266
117
205
179
UC322D1
FS322D1
C-UCF319D1
95
290
228
103
153
119
UC319D1
F319D1
CM-UKF322D1
100
340
266
105
205
179
UK322D1
F322D1
UKF324D1
110
370
290
112
207
185
UK324D1
F324D1
CM-UCF319D1
95
290
228
103
153
119
UC319D1
F319D1
UKFS322D1
100
340
266
105
205
179
UK322D1
FS322D1
C-UKF324D1
110
370
290
112
207
185
UK324D1
F324D1
UCFS319D1
95
290
228
103
153
119
UC319D1
FS319D1
C-UKFS322D1
100
340
266
105
205
179
UK322D1
FS322D1
CM-UKF324D1
110
370
290
112
207
185
UK324D1
F324D1
C-UCFS319D1
95
290
228
103
153
119
UC319D1
FS319D1
CM-UKFS322D1
100
340
266
105
205
179
UK322D1
FS322D1
CM-UCFS319D1
95
290
228
103
153
119
UC319D1
FS319D1
UCF321D1
105
310
242
112
184
153
UC321D1
F321D1
UCFX20D1
100
268
211
117.5
133
105
UCX20D1
FX20D1
C-UCF321D1
105
310
242
112
184
153
UC321D1
F321D1