Round Flanged Units

# **NSK Bearing Units: Flanged Ball Bearing Units (Round Flanged Units) – Precision Motion and Control Solutions**

NSK’s **Flanged Ball Bearing Units (Round Flanged Units)** are engineered to deliver high-performance rotational motion with exceptional reliability in demanding industrial and automotive applications. These precision bearing units combine robust construction with advanced sealing and lubrication technologies, ensuring long service life, reduced maintenance, and optimal efficiency in machinery where space constraints, alignment accuracy, and load capacity are critical.

## **Technical Features & Design Advantages**

NSK’s **Round Flanged Bearing Units** incorporate high-quality **deep groove ball bearings** housed in a durable, flanged casing, providing secure mounting and precise alignment. Key design and performance features include:

– **High Rigidity & Load Capacity** – The robust cast iron or pressed steel housing enhances structural integrity, supporting both radial and axial loads in compact installations.
– **Precision-Ground Seating Surface** – Ensures accurate alignment, minimizing vibration and wear in high-speed applications.
– **Advanced Sealing Solutions** – Options include **triple-lip seals** or **non-contact shields** to prevent contamination while retaining lubrication, extending service intervals.
– **Pre-Lubricated & Maintenance-Free Options** – Some models feature **long-life grease** or **solid lubricants**, ideal for harsh environments where re-lubrication is difficult.
– **Corrosion-Resistant Coatings** – Special surface treatments protect against moisture, chemicals, and abrasive particles in food processing, marine, or chemical industries.
– **Interchangeable & Standardized Designs** – Compliant with **ISO standards**, ensuring compatibility with competitor units for easy replacement.

## **Performance Benefits for Industrial & Automotive Applications**

NSK’s **Flanged Ball Bearing Units** excel in applications requiring **compact, high-speed, and low-friction motion control**, including:

– **Conveyor Systems** – Used in material handling equipment, providing smooth rotation under heavy loads with minimal maintenance.
– **Agricultural & Construction Machinery** – Withstands dust, shock loads, and misalignment in tractors, harvesters, and excavators.
– **Food & Beverage Processing** – Stainless steel variants meet **hygienic standards (FDA/USDA compliance)** for washdown environments.
– **Automotive Components** – Supports auxiliary drives, tensioners, and HVAC systems with quiet operation and high-temperature resistance.
– **Packaging & Textile Machinery** – Ensures precision motion in high-speed automation with low torque variation.

## **Why Choose NSK Flanged Bearing Units?**

NSK leverages decades of expertise in **precision bearing technology** to deliver units that optimize performance, reduce downtime, and lower total cost of ownership. Whether in **heavy industrial machinery, automotive systems, or precision equipment**, NSK’s **Round Flanged Bearing Units** provide a reliable, high-efficiency solution for demanding motion control challenges.

For engineers and maintenance professionals seeking **durability, precision, and ease of installation**, NSK’s flanged units represent a trusted choice in rotating machinery applications worldwide.


*For detailed specifications, load ratings, and customization options, consult NSK’s technical catalog or contact our engineering support team.*

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
L,H
mm
J
mm
B,B1,B2
mm
Cr
kN
C0r
kN
Bearing Housing
UCFCX13D1
65
194
165
74.6
62
44
UCX13D1
FCX13D1
UKFC211D1
50
185
150
59
43.5
29.2
UK211D1
FC211D1
C-UKFC212D1
55
195
160
62
52.5
36
UK212D1
FC212D1
UCFC207D1
35
135
110
42.9
25.7
15.3
UC207D1
FC207D1
CM-UCFC208D1
40
145
120
49.2
29.1
17.8
UC208D1
FC208D1
UELFC209D1
45
160
132
56.3
32.5
20.4
UEL209D1
FC209D1
Z-UCFC207D1
35
135
110
42.9
25.7
15.3
UC207D1
FC207D1
UELFC208D1
40
145
120
56.3
29.1
17.8
UEL208D1
FC208D1
UKFCX10D1
45
162
136
55
43.5
29.2
UKX10D1
FCX10D1
ZM-UCFC207D1
35
135
110
42.9
25.7
15.3
UC207D1
FC207D1
ASPF208
40
148
119
38
29.1
17.8
AS208
PF208
UKFC210D1
45
165
138
55
35
23.2
UK210D1
FC210D1
C-UCFC207D1
35
135
110
42.9
25.7
15.3
UC207D1
FC207D1
AELPF208
40
148
119
43.7
29.1
17.8
AEL208
PF208
Z-UKFC210D1
45
165
138
55
35
23.2
UK210D1
FC210D1
CM-UCFC207D1
35
135
110
42.9
25.7
15.3
UC207D1
FC207D1
UKFCX09D1
40
155
130
50
35
23.2
UKX09D1
FCX09D1
ZM-UKFC210D1
45
165
138
55
35
23.2
UK210D1
FC210D1
UELFC207D1
35
135
110
51.1
25.7
15.3
UEL207D1
FC207D1
UKFC209D1
40
160
132
50
32.5
20.4
UK209D1
FC209D1