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GN 509.1 Ball Transfer Units Housing Steel / Stainless Steel, with Collar

Ball Transfer Units GN 509.1: Housing Steel / Stainless Steel, with Collar
Stainless-Steel-Quality-Class-1

Product Family Stainless Steel Quality Class 1

The Ganter product range includes a large number of standard parts made of high-quality, non-rusting stainless steels. Thanks to their outstanding material properties, these are used in a wide array of industries. Their corrosion and rust resistance in particular contributes to the value stability and longevity of machines and equipment.

For easier differentiation, the stainless steels used by Ganter are divided into stainless steel quality classes:

Edelstahl Güteklasse 1 Stainless Steel Quality Class 1

Edelstahl Güteklasse 2 Stainless Steel Quality Class 2

Edelstahl Güteklasse 4 Stainless Steel Quality Class 4

Show detailed information on the stainless steel quality classes

Show all stainless steel products
Overview of Ball Transfer Units Types Technical Instructions Stainless Steel Characteristics Plastic Characteristics

Product description

Ball transfer units GN 509.1 are used, for example, in conveyor technology or on packing tables to move heavy loads in any direction without great effort. The roller bearing of the ball and the felt ring for dust protection ensure reliable operation and a long service life.

The turned housing is particularly robust and allows for higher load ratings. The diameter d2 is dimensionally accurate in the upper part and slightly reduced in the lower part to allow for easy mounting with a snug fit.

Specification

Housing

  • SteelS, turned
    Zinc plated, blue passivated
  • Stainless steelN, turned
    • AISI 420 for size 12, 22 - 60
    • AISI 303 for size 15

Load ball

  • for housing steel

    • Steel, Plain finishBL
    • Stainless steelNI AISI 420

  • for housing stainless steel
    Stainless steelNI AISI 420

Bearing balls

  • Steel, plain finish for load ball BL
  • Stainless steel AISI 420 for load ball NI

Dust protection for size 22 / 30
Felt

RoHS

Accessory

Spring Rings GN 509.3 (retainers for ball transfer units)

GN 509.1 Ball Transfer Units, Housing Steel / Stainless Steel, with Collar sketch
Hide technical drawing
GN 509.1 Ball Transfer Units, Housing Steel / Stainless Steel, with Collar sketch

Article options / Table
Show / Hide columns
Sized1
Load ball		d2 ±0,08d3h1 ±0,3h2 ±0,3h3 ±0,3h4Load C in N
Types
SBL
SNI

NNI
1212,722279843,2200150150
1515,8243011,98,13,51500400400
2222,2364520,79,852,4130010001000
3030,145552313,874,5250020002000
4544,4627534,5199,55,5600045004500
606010011747,5301510130001000010000

Build & Price
Size
Material housing


Material load ball
Size
Material housing


Material load ball

Arrangement and choice of ball size

When deciding on the size of the conveyer the following factors have to be taken into account: Weight, size, base material as well as the load to be carried.

The max. distance between the roller balls „a2“ (on a plane surface) is arrived at by dividing the shortest edge length of the load to be conveyed by 2,5. This ensures that a load will always be supported by carrier balls thus preventing it from tipping over into an empty space.

The required load carrying capacity of the balls is determined by the weight of the actual load divided by three. This is arrived at from the assumption that, due to tolerances on the load carrying face and the spacing of the balls in general, only three balls will be under load at any one time.
Sketch GN 509

a1 = shortest edge length of the load

a2 = max. distance between roller balls

a2 = a1/2,5

F1 = Load weight

F2 = Load per roller ball

F2 = F1/3

Speed and friction

The permissible conveying speed is 2 m/sec. With larger roller balls at speeds exceeding 1m/sec., depending on the weight being conveyed, an increased temperature would be expected.

The friction values of the balls at a speed of 1 m/sec. will be in the region of 0,005 µ. This value is, however, dependent on application of usage and could be subject to large variations.

In comparison of balls with sheet metal housings (GN 509) with balls in heavy duty steel housing (GN 509.1), the latter have a higher rigidity. Hence the static values of balls in steel housing can be applied.

Lubrication to prevent corrosion is recommended. The general recommendations applicable to ordinary roller bearings will be sufficient. In most applications lubrication can be ignored.

Resistance to temperature

Balls from size 36 upwards are fitted with a felt seal as protection against ingress of dirt and dust. The latter have a max temperature of 100 °C only.

Balls without the felt seal can also be used at higher operating temperatures. This, however, will lead to a reduced conveying capacity (c). The following table gives indicative values:

125 °C ./. 10 %
150 °C ./. 20 %
170 °C ./. 30 %
200 °C ./. 50 %

The max. operating temperatur for ball transfer units with plastic ball is 60 °C.

Selected Part (How to order)

Total (net)
10,18 €
plus VAT 1,93 €
gross 12,11 €
Weight: 0,036 kg
If this article is new in our product range, it may happen that details concerning weight are as yet not listed.
If you do need weight details, please contact our Sales Department!
Phone +49 7723 6507 - 0
RoHS: Yes
This article is RoHS-compliant in application of Annex III., which means it complies with EU Directive 2011/65/EU, including extension (2015/863/EU), for restricting the use of certain hazardous substances in electrical and electronic devices. The Directive regulates the use of hazardous substances in devices and components. The implementation in national law is summarily described with RoHS(Restriction of (the use of certain) hazardous substances).
Customs tariff number
84829900
Please note our order discounts.
With a total value (net) per order:
from 200,00 € -> 10 % discount
from 300,00 € -> 20 % discount
from 400,00 € -> 30 % discount

Surcharge for small volume purchases:
-> 15,00 Euro
for value of goods less than 25,00 €
-> 10,00 Euro
for value of goods from 25,00 to 49,99 €
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Our service team is available from Monday to Friday between 7:30 AM and 5:00 PM: +49 7723 6507 - 0

To the customised elements | To the contact persons

GN 509.1-12-SBLGN 509.1-12-SNIGN 509.1-12-NNIGN 509.1-15-SBLGN 509.1-15-SNIGN 509.1-15-NNIGN 509.1-22-SBLGN 509.1-22-SNIGN 509.1-22-NNIGN 509.1-30-SBLGN 509.1-30-SNIGN 509.1-30-NNIGN 509.1-45-SBLGN 509.1-45-SNIGN 509.1-45-NNIGN 509.1-60-SBLGN 509.1-60-SNIGN 509.1-60-NNI

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