Metric Size, Steel and Stainless Steel
Ball Transfer Units

GN 509


RoHS Compliant

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Specification
Information

Type SBL:
Housing: Sheet steel, zinc plated, blue passivated
Ball: Steel, plain finish
Type SNI:
Housing: Sheet steel, zinc plated, blue passivated
Ball: Stainless steel, European Standard No. 1.4125
Type NNI:
Housing: Sheet stainless steel, European Standard No. 1.4125
Ball: Stainless steel, European Standard No. 1.4125

Shipping

GN 509 ball transfer units are typically used on conveyor tracks. They enable a linear or rotary movement of heavy loads on those tracks.
See also:
Spring rings - GN 509.3
Ball transfer units with heavy duty steel housing - GN 509.1

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Dimensions in:

millimeters
(inches)

Part Number d1
Ball
Dia.
d2 d3 h1
+/-.3
h2
+/-.3
h3
+/-.3
h4 Load Capacity [N]
SBL SNI NNI SBL SNI NNI
15EJAK
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15EJAL
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15EJAJ
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15.8
(.62)
24
(.94)
31
(1.22)
21
(.83)
9.5
(.37)
5
(.20)
2.5
(.22)
500 300 300
22EJAK
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22EJAL
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22EJAJ
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22.2
(.87)
36
(1.42)
45
(1.77)
29.5
(1.16)
10
(.39)
6
(.24)
3
(.12)
1200 900 900
30EJAK
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30EJAL
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-- 30.1
(1.19)
45
(1.77)
55
(2.17)
38
(1.50)
13.5
(.53)
7
(.28)
3.5
(.14)
2000 1500 1500