Precision Metric Ball Screw Assembly, Cylindrical Single Nut with Keyway, 40 x 10 RA

Nook Industries has always been a leader in developing high quality linear motion components and systems to meet the ever increasing demand for precision linear motion. Precision-rolled ball screws have long been a hallmark of Nook Industries, and the latest innovations from Nook Industries are Precision Metric Ball Screws (PMBS™). They are manufactured in the United States to meet the increasing demand for metric ball screws in the global market.

Mounting dimensions per DIN69 051 part 5 Type c.


  • The Cylindrical nut offers a solution for mounting in a housing.
  • Utilizing precision thread-rolling technology
  • Wide range of diameters and leads
  • T3, T5, T7, and T10 lead accuracy per ISO 3408-3
  • Preloaded and clearance nuts
  • State-of-the-art ball return mechanisms
  • Integral wipers

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Product MBN40x10R-4CW
Product Info
Nominal Rod Diameter [mm] 40
Material Alloy
Thread Direction RH
Lead [mm] 10
Active Turns 4
Nominal Ball Dia. [mm] 7.144
Screw Weight [kg/m] 8.65
Nut Weight [kg] 0.89
End Code for Types 1,2, and 3 30
End Code for Types 4 19
End Code for Types 5 25
End Code for Types 6 30
End Code for Types 7 30
Performance Specifications
Dynamic Load Ca [N] 56770
Static Load [N] 116070
Linear Speed (Based on DN Values) [mm/min] 16700
Screw Dimensions
d0 [mm] 42.1
d1 [mm] 40.00
d2 [mm] 34.81
Nut Dimensions
D1 (g6) [mm] 63
L1 [mm] 51
Dp [mm] 3
Lp1 [mm] -
Dp1 [mm] -
L [mm] 75
Lx [mm] 60
Lz [mm] 10
L4 [mm] 30
B (P9) [mm] 5

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