Koyo Ball Screw Support Bearings

 9th Jun 2009

 
Ball Screw Support Bearings Ball Screw Support Bearings
Features / Benefits
High Axial Rigidty Carry large axial loads and minimize deflections
Compactness Light Weight Keeps size and weight of surrounding design to a minimum
High Precision Support bearings provide high degree of accuracy
Preload adjustment Allows control of the rigidity of the ball screw system
Efficient Reduces torque requirements and heat generation

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Drawing

Boundry D

Dimensions B  

(mm) r (mm.)

rl (mm.)

Koyo Part No.

Basic dynamic load
rating Ca (kN)

47

15

1

0.6

SAC1747RG MG4Z/00

26

47

15

1

0.6

SAC2047BG MG4Z/00

26

62

15

1

0.6

SAC2562BG MG4Z/00

30.2

62

15

1

0.6

SAC3062BG MG4Z/00

30.2

72

15

1

0.6

SAC3572BG MG4Z/00

32.8

72

15

1

0.6

SAC4072BG MG4Z/00

32.8

90

20

1

0.6

SAC4090BG MG4Z/00

65.4

100

20

1

0.6

SAC45100BG MG4Z/00

68.8

100

20

1

0.6

SAC5O100BG MG4Z/00

70.3

120

 20

1

0.6

SAC6O12OBG MG4Z/00

73.9


KOYO BALL SCREW SUPPORT BEARING INTERCHANGE

KOYO Part No.  NSK Part no.  NTN Part No.
SACI 747BG MG4Z/OO I 7TAC47BSUCI OPN7B BSTI 7X47-1 BGP4
SAC2O47BG MG4Z/OO 2OTAC47BSUCI OPN7B BST2OX47- I BG P4
SAC2562BG MG4Z/OO 25TAC62BSUCI OPN7B BST25X62- I BG P4
SAC3O62BG MG4Z/OO 3OTAC62BSUCI OPN7B BST3OX62- I BG P4
SAC3572BG MG4Z/OO 35TAC72BSUC I OPN7B BST35X72- I BGP4
SAC4O72BG MG4Z/OO 4OTAC72BSUCI OPN7B BST4OX72- I BG P4
SAC4O9OBG MG4Z/OO 4OTAC9OBSUCI OPN7B BST4OX9O- I BG P4
SAC45I OOBG MG4ZIOO 45TACI OOBSUCI OPN7B BST45XI 00-I BGP4
SAC5OI OOBG MG4ZIOO 5OTACI OOBSUCI OPN7B BST5OXI 00-I BGP4
SAC6OI2OBG MG4ZIOO 6OTACI2OBSUCI OPN7B BST6OXI 20-I BGP4

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