Retaining Washer Stainless Steel

GN 454 Buffers

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d₁	h	d₂	d₃	s	Spring rate ≈ in N/mm Hardness 40	Hardness 55	Hardness 70	max. load in N Hardness 40	Hardness 55	Hardness 70	max. travel ≈ in mm

16	8	4,3	8	1	75	140	223	150	280	445	2
20	10	5,3	9,5	1,2	89	148	240	223	370	600	2,5
25	12	6,4	11	1,6	113	210	317	340	630	950	3
35	16	8,4	14	2	175	345	599	700	1380	2395	4
42	20	8,4	17,5	2	220	360	668	1100	1800	3340	5
42	20	10,5	17,5	2,5	220	360	668	1100	1800	3340	5
56	24	8,4	19,5	2	333	577	1000	2000	3460	6000	6
56	24	13	19,5	3	333	577	1000	2000	3460	6000	6

Filter combination produces no result.

Specification

Rubber
NBR (Perbunan^®)

Black
Vulcanized to the retaining washer
Temperature resistant up to 120 °C
Hardness Shore A ±5
Soft40
Medium55
Hard70

Retaining washer
Stainless steel AISI 304

Elastomer Characteristics

Stainless Steel Characteristics

RoHS

Information

Buffers GN 454 are used as end-stop buffers, e.g. for conveyor trolleys. They can be fixed on the damping side with socket cap screws DIN 912.

They absorb most of the kinetic energy developing on impact. They act as dampers and prevent damaging shock and rebound. They also act as sound dampers.

How to order