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
UCFL218D1
90
320
265
205
96
96
71.5
UC218D1
FL218D1
C-UCFL218D1
90
320
265
205
96
96
71.5
UC218D1
FL218D1
CM-UCFL218D1
90
320
265
205
96
96
71.5
UC218D1
FL218D1
UCFL318D1
90
385
315
235
96
143
107
UC318D1
FL318D1
C-UCFL318D1
90
385
315
247
96
143
107
UC318D1
FL318D1
CM-UCFL318D1
90
385
315
247
96
143
107
UC318D1
FL318D1
UKFL320D1
90
440
360
270
97
173
141
UK320D1
FL320D1
C-UKFL320D1
90
440
360
280
97
173
141
UK320D1
FL320D1
CM-UKFL320D1
90
440
360
280
97
173
141
UK320D1
FL320D1
UCFL319D1
95
405
330
250
103
153
119
UC319D1
FL319D1
C-UCFL319D1
95
405
330
260
103
153
119
UC319D1
FL319D1
CM-UCFL319D1
95
405
330
260
103
153
119
UC319D1
FL319D1
UCFL320D1
100
440
360
270
108
173
141
UC320D1
FL320D1
C-UCFL320D1
100
440
360
280
108
173
141
UC320D1
FL320D1
CM-UCFL320D1
100
440
360
280
108
173
141
UC320D1
FL320D1
UKFL322D1
100
470
390
300
105
205
179
UK322D1
FL322D1
C-UKFL322D1
100
470
390
315
105
205
179
UK322D1
FL322D1
CM-UCFL312D1
60
270
212
175
71
82
52
UC312D1
FL312D1
UKFL313D1
60
295
240
175
65
92.5
60
UK313D1
FL313D1
C-UKFL313D1
60
295
240
189
65
92.5
60
UK313D1
FL313D1
CM-UKFL313D1
60
295
240
189
65
92.5
60
UK313D1
FL313D1
UCFL213D1
65
258
210
155
65.1
57.5
40
UC213D1
FL213D1
Z-UCFL213D1
65
258
210
155
65.1
57.5
40
UC213D1
FL213D1
ZM-UCFL213D1
65
258
210
155
65.1
57.5
40
UC213D1
FL213D1