NSK BALL SCREW SUPPORT BEARING 75 BNR 10

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NSK BALL SCREW SUPPORT BEARING 75 BNR 10

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MOQ : 1 Piece

NSK BALL SCREW SUPPORT BEARING 75 BNR 10 Specification

Thickness
20 mm

Weight
2.0 kg

Material
High Carbon Chromium Steel

Ball Bearing Type
Angular Contact Ball Bearing

Structure
Ball Screw Support

Seals Type
Open

Number Of Rows
Single Row

Bore Size
75 mm

Outside Diameter
115 mm

Limiting Speed
5300 rpm

Load Capacity
High Axial & Radial Load

Inner Diameter
75 mm

Application
CNC Machinery, Ball Screw Support

Model Number
75 BNR 10

Lubrication
Grease/Oil

Configuration
Universal Matching (DU)

Static Load Rating
65.5 kN

Contact Angle
30 Degrees

Dynamic Load Rating
48.0 kN

Precision Grade
P4 (High Precision)

Cage Material
Phenolic Resin

Temperature Range
-30C to +110C

NSK BALL SCREW SUPPORT BEARING 75 BNR 10 Trade Information

Minimum Order Quantity
1 Piece

Supply Ability
1000 Pieces Per Month

Delivery Time
1 Days

About NSK BALL SCREW SUPPORT BEARING 75 BNR 10

NSK BALL SCREW SUPPORT BEARING 75 BNR 10

Bearing bore diameter

BNR10S (18, steel ball)

BNR10S (18, ceramic ball)

Preload

Axial Rigidity

Preload

Axial Rigidity

Preload

Axial Rigidity

Preload

Axial Rigidity

Preload

Axial Rigidity

Preload

Axial Rigidity

(N)

(N/µm)

(N)

(N/µm)

(N)

(N/µm)

(N)

(N/µm)

(N)

(N/µm)

(N)

(N/µm)

240

520

129

270

110

597

151

Engineered for Precision and Durability

The NSK 75 BNR 10 ball screw support bearing is manufactured with a high precision grade (P4) and constructed from high carbon chromium steel. Its durable build, universal matching configuration, and phenolic resin cage ensure reliable performance in high-speed and heavy-load CNC machinery applications, supporting both axial and radial loads with remarkable stability.

Adaptable Operation and Easy Installation

Designed for universal matching (DU), the 75 BNR 10 makes assembly straightforward and highly flexible. It is compatible with both grease or oil lubrication, catering to varied maintenance regimes, and its open design simplifies monitoring and servicing. The bearings single-row, angular contact structure is tailored specifically for ball screw support systems.

FAQs of NSK BALL SCREW SUPPORT BEARING 75 BNR 10:

Q: How does the NSK 75 BNR 10 support high-performance CNC machinery?

A: The NSK 75 BNR 10 bearing delivers exceptional precision and load support (both axial and radial) essential for ball screw mechanisms in CNC machinery. Its 30-degree contact angle, P4 precision standard, and robust construction ensure smooth motion, reliable positioning, and extended operational life even under demanding conditions.

Q: What are the primary benefits of using a high precision (P4) bearing in ball screw support?

A: P4 grade precision bearings significantly enhance machine accuracy, reduce vibration, and provide stable operation at high speeds. This translates to better surface finish, reduced wear, and prolonged service intervals for CNC machinery and related equipment.

Q: When should grease or oil be used for lubricating this bearing?

A: Choose grease lubrication for maintenance simplicity and efficient sealing in standard applications. Opt for oil lubrication if heat dissipation or higher-speed operation is necessary, ensuring the bearing maintains optimal performance within the specified temperature and speed range.

Q: Where can the NSK 75 BNR 10 bearing be sourced in India?

A: The NSK 75 BNR 10 is available through authorized distributors, importers, and suppliers across India. Engaging with official NSK partners ensures product authenticity, technical support, and comprehensive after-sales service.

Q: What is the recommended process for installing this bearing in CNC machinery?

A: Ensure all mounting surfaces are clean and free from debris before installation. Carefully align the bearing to avoid misfits and apply consistent pressure or specialized tools to seat the bearing. Proper lubrication should be applied according to manufacturer guidelines to guarantee optimal operation.

Q: How does the bearings material and construction contribute to its durability?

A: Manufactured from high carbon chromium steel and incorporating a phenolic resin cage, the NSK 75 BNR 10 offers exceptional strength, wear resistance, and dimensional stability. This material combination extends bearing lifespan even during high-speed and high-load applications.

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