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NSK Support Units（Bearing Grade：Grade 4）
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Machine Tool, Support Unit for High Speeds and Heavy Loads, Fixed-Side Support Unit (Circular Type)
NSK
The high rigidity angular ball bearing has been adjusted to the optimal preload on the fixing side, and this has been assembled while sealing the optimal amount of grease within.
Type Shape Shaft Dia. d(Ø) Mounting Method Bearing Type Shaft Height H(mm) Bearing Grade Surface Treatment Thickness B(mm) Width W(mm) Support Material Outer Dia. D(Ø) Fixed Side Round, 2 Set Screw Flats at both ends 17 ～ 40 Side Mount Angular Contact Bearing - Grade 4 Black Oxide 60 ～ 96 80 ～ 106 Steel 106 ～ 142 From: ₹ 47,751.64 Days to Ship: 5 Day(s) or more 
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Light-Load Support Unit for Small Devices, Fixing-Side Support Unit (Circular Type)
NSK
The high rigidity angular ball bearing has been adjusted to the optimal preload on the fixing side, and this has been assembled while sealing the optimal amount of grease within.
Type Shape Shaft Dia. d(Ø) Mounting Method Bearing Type Shaft Height H(mm) Bearing Grade Surface Treatment Thickness B(mm) Width W(mm) Support Material Outer Dia. D(Ø) Fixed Side Round / Round, 2 Set Screw Flats at both ends 4 ～ 25 Side Mount Angular Contact Bearing - Grade 4 Black Oxide / Low Temperature Black Chrome Plating 13.5 ～ 57 14 ～ 79 Steel 26 ～ 98 From: ₹ 10,308.89 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Small Load Support Unit for Small Devices Fixing Side Support Unit (Squarish)
NSK
The high rigidity angular ball bearing has been adjusted to the optimal preload on the fixing side, and this has been assembled while sealing the optimal amount of grease within.
Type Shape Shaft Dia. d(Ø) Mounting Method Bearing Type Shaft Height H(mm) Bearing Grade Surface Treatment Thickness B(mm) Width W(mm) Support Material Outer Dia. D(Ø) Fixed Side Square 6 ～ 25 Face Mounting Angular Contact Bearing 13 ～ 39 Grade 4 Black Oxide / Low Temperature Black Chrome Plating 20 ～ 61 42 ～ 105 Steel - From: ₹ 10,308.89 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Support Side Support Unit (Square) (for Small Size Equipment and Light Loads)
NSK
Utilizes a high rigidity thrust angular ball bearing that has the ideal structure and functionality.
Type Shape Shaft Dia. d(Ø) Mounting Method Bearing Type Shaft Height H(mm) Bearing Grade Surface Treatment Thickness B(mm) Width W(mm) Support Material Outer Dia. D(Ø) Support Side Square 6 ～ 25 Face Mounting Angular Contact Bearing 15.5 ～ 39 Grade 4 Black Oxide / Low Temperature Black Chrome Plating 15 ～ 30 52 ～ 105 Steel - From: ₹ 5,236.60 Days to Ship: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.
Support Kit for Transport Ball Screw
NSK
Support kit for transfer ball screw RMA type. For ball screws of RMA1002 or higher, please use a general-purpose support unit.
Type Shape Shaft Dia. d(Ø) Mounting Method Bearing Type Shaft Height H(mm) Bearing Grade Surface Treatment Thickness B(mm) Width W(mm) Support Material Outer Dia. D(Ø) Fixed Side Round, 2 Set Screw Flats at both ends 4 ～ 6 Side Mount Angular Contact Bearing - Grade 4 Black Oxide 9 ～ 11 14 ～ 19 Steel 25 ～ 30 From: ₹ 7,964.95 Days to Ship: 10 Day(s) or more
10 Day(s) or more
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| Shaft Dia. d(Ø) |
| Mounting Method |
| Bearing Type |
| Shaft Height H(mm) |
| Bearing Grade |
| Surface Treatment |
| Thickness B(mm) |
| Width W(mm) |
| Support Material |
| Outer Dia. D(Ø) |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| Brand | NSK | NSK | NSK | NSK | NSK |
| Product Series | Machine Tool, Support Unit for High Speeds and Heavy Loads, Fixed-Side Support Unit (Circular Type) | Light-Load Support Unit for Small Devices, Fixing-Side Support Unit (Circular Type) | Small Load Support Unit for Small Devices Fixing Side Support Unit (Squarish) | Support Side Support Unit (Square) (for Small Size Equipment and Light Loads) | |
| From | ₹ 47,751.64- | ₹ 10,308.89- | ₹ 10,308.89- | ₹ 5,236.60- | ₹ 7,964.95 |
| Days to Ship | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 5 Day(s) or more | 10 Day(s) or more |
| Type | Fixed Side | Fixed Side | Fixed Side | Support Side | Fixed Side |
| Shape | Round, 2 Set Screw Flats at both ends | Round / Round, 2 Set Screw Flats at both ends | Square | Square | Round, 2 Set Screw Flats at both ends |
| Shaft Dia. d(Ø) | 17 ～ 40 | 4 ～ 25 | 6 ～ 25 | 6 ～ 25 | 4 ～ 6 |
| Mounting Method | Side Mount | Side Mount | Face Mounting | Face Mounting | Side Mount |
| Bearing Type | Angular Contact Bearing | Angular Contact Bearing | Angular Contact Bearing | Angular Contact Bearing | Angular Contact Bearing |
| Shaft Height H(mm) | - | - | 13 ～ 39 | 15.5 ～ 39 | - |
| Bearing Grade | Grade 4 | Grade 4 | Grade 4 | Grade 4 | Grade 4 |
| Surface Treatment | Black Oxide | Black Oxide / Low Temperature Black Chrome Plating | Black Oxide / Low Temperature Black Chrome Plating | Black Oxide / Low Temperature Black Chrome Plating | Black Oxide |
| Thickness B(mm) | 60 ～ 96 | 13.5 ～ 57 | 20 ～ 61 | 15 ～ 30 | 9 ～ 11 |
| Width W(mm) | 80 ～ 106 | 14 ～ 79 | 42 ～ 105 | 52 ～ 105 | 14 ～ 19 |
| Support Material | Steel | Steel | Steel | Steel | Steel |
| Outer Dia. D(Ø) | 106 ～ 142 | 26 ～ 98 | - | - | 25 ～ 30 |
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Specification/Dimensions
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Shape
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Square -
Round -
Round, 2 Set Screw Flats at both ends
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Shaft Dia. d(Ø)
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Mounting Method
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Bearing Type
- Angular Contact Bearing
- Radial Bearing, Single
- Radial Bearing, Double
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Shaft Height H(mm)
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Bearing Grade
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Surface Treatment
- Black Oxide
- Electroless Nickel Plating
- Low Temperature Black Chrome Plating
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Thickness B(mm)
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Width W(mm)
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Support Material
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Outer Dia. D(Ø)
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Related Categories to Support Units
FAQ Ball Screw Support Units
- Question: What are Ball Screw Support Units?
- Answer: Ball screw support units are essential components used to support and stabilize ball screws in linear motion systems. They play a crucial role in ensuring smooth, precise, and reliable operation of the system.
- Question: Why are Ball Screw Support Units Important?
- Answer: • Precision and Accuracy: Support units help maintain the accuracy and precision of the linear motion system by preventing deflection and vibration of the ball screw.
• Extended Lifespan: Proper support reduces friction and wear on the ball screw, leading to a longer lifespan.
• Reduced Noise and Vibration: Effective support units minimize noise and vibration, improving overall system performance and user experience. - Question: What are the Different Types of Ball Screw Support Units?
- Answer: • Pillow Block Bearings: These are simple and economical support units that provide basic support to the ball screw.
• Flanged Bearings: These units are attached to a mounting surface using bolts and are suitable for various applications.
• Compact Support Units: These are compact and lightweight units that offer high rigidity and precision.
• Adjustable Support Units: These units allow for fine-tuning of the ball screw alignment and can accommodate variations in installation. - Question: What Are the Common Applications of Ball Screw Support Units?
- Answer: Ball Screw Support Units are widely used in applications requiring precise linear motion, including
• CNC Machines: Used to support the ball screws in the X, Y, and Z axes.
• Industrial Robots: Provide support for the robotic arm's linear motion.
• 3D Printers: Essential for precise positioning of the print head.
• Medical Equipment: Used in various medical devices requiring precise linear motion.
• Semiconductor Manufacturing Equipment: Support high-precision motion systems.
• Packaging Machinery: Ensure accurate and reliable packaging processes.
Their design helps maintain accuracy and stability in high-load, high-speed environments. - Question: How Does Thermal Expansion Affect Ball Screw Support Units?
- Answer: Thermal expansion can impact the performance of Ball Screw Support Units, especially in high-speed applications. The floating support unit allows the ball screw to expand and contract without causing misalignment or binding, while the fixed support holds the ball screw steady. Proper support design prevents temperature-induced issues.
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