Metric Size, Steel and Stainless Steel
Heavy Duty Ball Transfer Units

GN 509.1


RoHS Compliant

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Specification
Information

Type SBL:
Housing: Turned steel, zinc plated, blue passivated
Ball: Steel, plain finish
Type SNI:
Housing: Turned steel, zinc plated, blue passivated
Ball: Stainless steel, European Standard No. 1.4125
Type NNI:
Housing and ball: Turned 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.
Ball transfer units in thermoplastic material (polyamide) available upon request.
See also:
Spring rings - GN 509.3.
Ball transfer units with sheet steel housing - GN 509.

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Dimensions in:

millimeters
(inches)

Part Number d1
Ball
d2 d3 h1
+/-.3
h2
+/-.3
h3
+/-.3
h4 Load Capacity [N]
SBL SNI NNI SBL SNI NNI
12EKBL
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12EKBM
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12EKBK
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12.7
(.50)
22
(.87)
27
(1.06)
17
(.67)
8
(.31)
4
(.16)
3.2
(.13)
200 150 150
15EKBL
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15EKBM
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15EKBK
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15.8
(.62)
24
(.94)
31
(1.22)
21
(.83)
9.5
(.37)
5.5
(.22)
4
(.20)
500 400 400
22EKBL
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22EKBM
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22EKBK
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22.2
(.87)
36
(1.42)
45
(1.77)
30.5
(1.20)
9.5
(.37)
5
(.20)
2.4
(.09)
1300 1000 1000
30EKBL
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30EKBM
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30EKBK
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30.1
(1.19)
45
(1.77)
55
(2.17)
37
(1.46)
13.5
(.53)
7
(.28)
4.5
(.18)
2500 2000 2000
45EKBL
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45EKBM
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45EKBK
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44.4
(1.74)
62
(2.44)
75
(2.95)
53.5
(2.11)
18.5
(.73)
9.5
(.37)
5.5
(.22)
6000 4500 4500
60EKBL
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60EKBM
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60EKBK
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60
(2.36)
100
(3.94)
117
(6.97)
78
(3.07)
30
(1.18)
15
(.59)
10
(.39)
13000 10000 10000