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R151257032 High Precision Ball Nuts REXROTH FED-E-B 50 x 20 R x 6.5 - 8
R151257032 High Precision Ball Nuts REXROTH FED-E-B 50 x 20 R x 6.5 - 8

R151257032 High Precision Ball Nuts REXROTH FED-E-B 50 x 20 R x 6.5 - 8

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R151257032 Bosch Rexroth high-performance series nut, FED-E-B flange type, single nut, standard seal, tolerance grades T3 T5 T7 T9, preload grades C0 C00 C1 C2
The Bosch Rexroth FED-E-B series is a flange-type single nut specifically designed for high-performance ball screw assemblies. This series belongs to Linear Motion Technology, designed to significantly improve dynamic and static load capacity, suitable for motion control tasks with extremely high precision and rigidity requirements.
Core technical features of the FED-E-B high-performance series nuts:
Mounting: With flange, mounting dimensions typically conform to DIN 69051 Part 5.
Sealing and Protection: This series of nuts is equipped with standard seals to prevent contaminant ingress and reduce lubricant loss.
High-Performance Motion: As its high-performance series, FED-E-B is specifically optimized for high dynamic response and positioning accuracy, and is commonly used in precision machine tools, factory automation, and mechanical engineering.
Operating temperature: The maximum allowable continuous operating temperature is 80°C, and the short-term peak temperature can reach 100°C.
Rexroth ball screw drive systems are successfully used in a wide range of fields:
- Machine tools
- Forming equipment
- Automation and material handling
- Woodworking
- Electrical and electronics
- Printing and papermaking
- Injection molding machines
- Food and packaging industries
- Medical devices
- Textile industry
- Others

Item

Specification

Part No.

R151257032

Series

High Performance Series

Nut Type

Single Nut with Flange FED-E-B

Nominal Size [mm]

50 × 20R × 6.5-8

Nominal Diameter [mm]

50

Thread Direction

Right-hand

Lead [mm]

20

Ball Diameter [mm]

6.5

Number of Ball Circuits

8

Nut Outer Diameter [mm]

75

Nut Flange Diameter

110

Nut Length [mm]

112

Weight [kg]

2.50

Rated Dynamic Load [N]

116500

Rated Static Load [N]

240000

Max. Speed [m/min]

60

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