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
C-UCFL215D1
75
275
225
169
77.8
66
49.5
UC215D1
FL215D1
CM-UCFL215D1
75
275
225
169
77.8
66
49.5
UC215D1
FL215D1
UKFL217D1
75
305
248
190
82
83.5
64
UK217D1
FL217D1
C-UKFL217D1
75
305
248
192
82
83.5
64
UK217D1
FL217D1
CM-UKFL217D1
75
305
248
192
82
83.5
64
UK217D1
FL217D1
UCFL315D1
75
320
260
195
82
113
77
UC315D1
FL315D1
C-UCFL315D1
75
320
260
210
82
113
77
UC315D1
FL315D1
CM-UCFL315D1
75
320
260
210
82
113
77
UC315D1
FL315D1
UKFL317D1
75
370
300
220
82
133
97
UK317D1
FL317D1
UCFL310D1
50
240
187
140
61
62
38.5
UC310D1
FL310D1
C-UCFL310D1
50
240
187
152
61
62
38.5
UC310D1
FL310D1
CM-UCFL310D1
50
240
187
152
61
62
38.5
UC310D1
FL310D1
UKFL311D1
50
250
198
150
59
71.5
45
UK311D1
FL311D1
C-UKFL311D1
50
250
198
162
59
71.5
45
UK311D1
FL311D1
CM-UKFL311D1
50
250
198
162
59
71.5
45
UK311D1
FL311D1
UCFA211D1
55
216
182
130
55.6
43.5
29.2
UC211D1
FA211D1
UCFE211D1
55
216
184
118
55.6
43.5
29.2
UC211D1
FE211D1
UELFLU211D1
55
217
184
134
71.4
43.5
29.2
UEL211D1
FLU211D1
UCFL211D1
55
224
184
130
55.6
43.5
29.2
UC211D1
FL211D1
Z-UCFL211D1
55
224
184
130
55.6
43.5
29.2
UC211D1
FL211D1
ZM-UCFL211D1
55
224
184
130
55.6
43.5
29.2
UC211D1
FL211D1
C-UCFL211D1
55
224
184
133
55.6
43.5
29.2
UC211D1
FL211D1
CM-UCFL211D1
55
224
184
133
55.6
43.5
29.2
UC211D1
FL211D1
UKFE212D1
55
241
202
129
62
52.5
36
UK212D1
FE212D1