Take-up Units

**Introduction to NSK Bearing Units & Take-Up Units: Precision Motion Solutions for Demanding Applications**

In the world of precision motion and control, reliability, efficiency, and durability are critical for industrial machinery, automotive systems, and high-precision equipment. NSK’s **Bearing Units** and **Take-Up Units** are engineered to meet these demands, delivering superior performance in applications where precise alignment, smooth rotation, and long service life are essential. Designed with advanced materials, innovative sealing technologies, and optimized geometries, these units ensure minimal friction, reduced maintenance, and extended operational life—even in harsh environments.

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

NSK’s **Bearing Units** incorporate high-quality ball or roller bearings housed in robust cast iron or pressed steel housings, providing exceptional load capacity and resistance to misalignment. Key features include:

– **Precision-Ground Bearings:** Minimize vibration and noise while maintaining tight tolerances for smooth operation.
– **Advanced Sealing Solutions:** Protect against contaminants (dust, moisture, and debris) while retaining lubrication for longer intervals between servicing.
– **Ease of Installation & Adjustment:** Pre-assembled units with standardized dimensions simplify integration into conveyor systems, gearboxes, and other industrial machinery.
– **Corrosion-Resistant Coatings:** Optional treatments enhance durability in wet or chemically aggressive environments.

**Take-Up Units**, a specialized subset of NSK’s bearing solutions, are designed for applications requiring tension adjustment, such as belt conveyors, chain drives, and textile machinery. These units feature:

– **Adjustable Mounting:** Allows precise positioning to maintain optimal belt or chain tension, reducing slippage and wear.
– **Heavy-Duty Construction:** Supports high radial and axial loads, ensuring stability in continuous operation.
– **Self-Aligning Capability:** Compensates for minor shaft misalignments, preventing premature bearing failure.

### **Typical Applications Across Industries**

NSK’s Bearing and Take-Up Units are widely used in sectors where precision motion control is critical:

– **Industrial Machinery:** Conveyor systems, material handling equipment, and packaging machines benefit from the units’ ability to handle heavy loads while maintaining alignment.
– **Automotive Systems:** Used in belt-driven components (e.g., alternators, tensioners) to ensure consistent performance under dynamic loads.
– **Precision Equipment:** Printing presses, food processing machinery, and textile manufacturing rely on these units for smooth, low-maintenance operation.

By combining **high-performance materials, precision engineering, and innovative design**, NSK’s Bearing and Take-Up Units enhance efficiency, reduce downtime, and extend the lifespan of critical machinery—making them a trusted choice for engineers and maintenance professionals worldwide. Whether in high-speed automation or heavy industrial applications, NSK’s solutions ensure reliable motion control where it matters most.

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Designations Nominal Dimensions Basic Load Ratings Included products
d
mm
H1
mm
H
mm
L,L4
mm
A
mm
Cr
kN
C0r
kN
Bearing Housing
UKT318D1
80
228
255
312
110
143
107
UK318D1
T318D1
C-UCT318D1
90
228
255
317
110
143
107
UC318D1
T318D1
CM-UCT321D1
105
260
290
359
120
184
153
UC321D1
T321D1
C-UKT318D1
80
228
255
317
110
143
107
UK318D1
T318D1
CM-UCT318D1
90
228
255
317
110
143
107
UC318D1
T318D1
UCT322D1
110
285
320
385
130
205
179
UC322D1
T322D1
CM-UKT318D1
80
228
255
317
110
143
107
UK318D1
T318D1
UKT320D1
90
260
290
345
120
173
141
UK320D1
T320D1
C-UCT322D1
110
285
320
395
130
205
179
UC322D1
T322D1
UCT217D1
85
173
198
260
73
83.5
64
UC217D1
T217D1
C-UKT320D1
90
260
290
350
120
173
141
UK320D1
T320D1
CM-UCT322D1
110
285
320
395
130
205
179
UC322D1
T322D1
UCTX17D1
85
173
198
260
73
96
71.5
UCX17D1
TX17D1
CM-UKT320D1
90
260
290
350
120
173
141
UK320D1
T320D1
UKT324D1
110
320
355
432
140
207
185
UK324D1
T324D1
C-UCT217D1
85
173
198
260
73
83.5
64
UC217D1
T217D1
UCT319D1
95
240
270
322
110
153
119
UC319D1
T319D1
C-UKT324D1
110
320
355
439
140
207
185
UK324D1
T324D1
CM-UCT217D1
85
173
198
260
73
83.5
64
UC217D1
T217D1
C-UCT319D1
95
240
270
327
110
153
119
UC319D1
T319D1