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.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
L
mm
J
mm
B,B1,B2
mm
Cr
kN
C0r
kN
Bearing Housing
C-UCF214D1
70
193
152
74.6
62
44
UC214D1
F214D1
CM-UCFS314D1
70
226
178
78
104
68
UC314D1
FS314D1
CM-UCF214D1
70
193
152
74.6
62
44
UC214D1
F214D1
UKF316D1
70
250
196
78
123
86.5
UK316D1
F316D1
CM-UKF215D1
65
200
159
73
66
49.5
UK215D1
F215D1
UCFX14D1
70
197
152
77.8
66
49.5
UCX14D1
FX14D1
C-UKF316D1
70
250
196
78
123
86.5
UK316D1
F316D1
UCF313D1
65
208
166
75
92.5
60
UC313D1
F313D1
C-UCFX14D1
70
197
152
77.8
66
49.5
UCX14D1
FX14D1
CM-UKF316D1
70
250
196
78
123
86.5
UK316D1
F316D1
C-UCF313D1
65
208
166
75
92.5
60
UC313D1
F313D1
CM-UCFX14D1
70
197
152
77.8
66
49.5
UCX14D1
FX14D1
UKFS316D1
70
250
196
78
123
86.5
UK316D1
FS316D1
CM-UCF313D1
65
208
166
75
92.5
60
UC313D1
F313D1
UKF216D1
70
208
165
78
72.5
53
UK216D1
F216D1
C-UKFS316D1
70
250
196
78
123
86.5
UK316D1
FS316D1
UCFS313D1
65
208
166
75
92.5
60
UC313D1
FS313D1
C-UKF216D1
70
208
165
78
72.5
53
UK216D1
F216D1
CM-UKFS316D1
70
250
196
78
123
86.5
UK316D1
FS316D1
C-UCFS313D1
65
208
166
75
92.5
60
UC313D1
FS313D1
CM-UKF216D1
70
208
165
78
72.5
53
UK216D1
F216D1
UCFX15D1
75
197
152
82.6
72.5
53
UCX15D1
FX15D1
CM-UCFS313D1
65
208
166
75
92.5
60
UC313D1
FS313D1
UKFX16D1
70
214
171
78
83.5
64
UKX16D1
FX16D1