Oval Flanged Units

**Introduction to NSK Bearing Units: Flanged Ball Bearing Units & Oval Flanged Units**

NSK’s precision motion and control technologies set the benchmark for reliability, efficiency, and durability in industrial and automotive applications. Among its extensive portfolio, **NSK Flanged Ball Bearing Units** and **Oval Flanged Units** stand out as high-performance solutions designed to simplify installation, reduce maintenance, and enhance operational precision in demanding environments. These units integrate high-quality bearings with robust housings, delivering superior load capacity, alignment flexibility, and extended service life—critical factors for industries where downtime and wear resistance are major concerns.

### **Technical Features & Performance Advantages**

NSK’s **Flanged Ball Bearing Units** feature a compact, one-piece design with a spherical outer ring that compensates for minor shaft misalignment, reducing stress and premature wear. The flanged housing ensures secure mounting, even in applications with high axial or radial loads. Key benefits include:

– **Precision-Grade Bearings:** Manufactured to tight tolerances for smooth, low-friction rotation, enhancing energy efficiency.
– **Robust Sealing Options:** Multiple sealing configurations (e.g., rubber seals, metal shields) protect against contaminants, extending bearing life in harsh environments.
– **Corrosion-Resistant Materials:** High-grade cast iron or stainless steel housings resist rust and chemical exposure, ideal for food processing, packaging, and marine applications.

The **Oval Flanged Units** offer additional versatility with their elongated mounting holes, allowing for easy adjustment and alignment during installation. This design is particularly beneficial in conveyor systems, textile machinery, and agricultural equipment, where slight positional shifts may occur due to thermal expansion or vibration.

### **Typical Applications**

NSK’s flanged bearing units are widely used across industries requiring precision motion control:

– **Industrial Machinery:** Conveyors, pumps, and gearboxes benefit from their high load capacity and self-aligning capability.
– **Automotive Systems:** Auxiliary drives, tensioners, and wheel-end applications leverage their durability and low-maintenance design.
– **Precision Equipment:** Packaging machines, printing presses, and robotics rely on their smooth operation and contamination resistance.

By combining advanced engineering with user-friendly installation, **NSK Flanged Ball Bearing Units and Oval Flanged Units** deliver unmatched performance, reducing operational costs and improving system longevity. Whether in high-speed automation or heavy-duty industrial systems, these units provide the precision and reliability that modern machinery demands.

For industries seeking to optimize motion control with minimal maintenance, NSK’s solutions represent a smart investment in efficiency and long-term performance.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
H
mm
J
mm
L,L1
mm
B,B1,B2
mm
Cr
kN
C0r
kN
Bearing Housing
UCFA208D1
40
171
142
100
49.2
29.1
17.8
UC208D1
FA208D1
CM-UKFL209D1
40
188
148
113
50
32.5
20.4
UK209D1
FL209D1
Z-UCFL209D1
45
188
148
108
49.2
32.5
20.4
UC209D1
FL209D1
UELFLU208D1
40
172
143.5
105
56.3
29.1
17.8
UEL208D1
FLU208D1
UKFLX09D1
40
189
157
116
50
35
23.2
UKX09D1
FLX09D1
UCFE208D1
40
172
144
95
49.2
29.1
17.8
UC208D1
FE208D1
C-UKFLX09D1
40
189
157
119.5
50
35
23.2
UKX09D1
FLX09D1
UCFL208D1
40
175
144
100
49.2
29.1
17.8
UC208D1
FL208D1
CM-UKFLX09D1
40
189
157
119.5
50
35
23.2
UKX09D1
FLX09D1
Z-UCFL208D1
40
175
144
100
49.2
29.1
17.8
UC208D1
FL208D1
UCFL308D1
40
200
158
112
52
40.5
24
UC308D1
FL308D1
ZM-UCFL208D1
40
175
144
100
49.2
29.1
17.8
UC208D1
FL208D1
C-UCFL308D1
40
200
158
122
52
40.5
24
UC308D1
FL308D1
C-UCFL208D1
40
175
144
106
49.2
29.1
17.8
UC208D1
FL208D1
CM-UCFL308D1
40
200
158
122
52
40.5
24
UC308D1
FL308D1
CM-UCFL208D1
40
175
144
106
49.2
29.1
17.8
UC208D1
FL208D1
UKFL309D1
40
230
177
125
50
53
32
UK309D1
FL309D1
UCFLX08D1
40
179
148
111
49.2
32.5
20.4
UCX08D1
FLX08D1
C-UKFL309D1
40
230
177
135
50
53
32
UK309D1
FL309D1
UKFL308D1
35
200
158
112
46
40.5
24
UK308D1
FL308D1