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GN 751

Fork joints

Fork heads DIN 71752

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Description

Specification

Version in Steel

Types

Type B: Snap on spring pin

Type KL: Pin with KL-shaft safety

Type SL: Pin with SL-shaft safety

(only for d₁ = 4 ... 16)

Steel

Tensile strength class 5

zinc plated, blue passivated

Shaft safetys

spring sheet metal

hardened and tempered

zinc plated, blue passivated

Version in Aluminium

Types

Type KL: Pin with side mount ring

Type SL: Pin with safety clip

Aluminium AL

anodized, black

KL- / SL-shaft safetys

Spring steel

hardened and tempered

zinc plated, blue passivated

Version in Stainless Steel

Type

Type A: Pin with safety circlip DIN 471

Stainless Steel AISI 303 NI

uncoated

Safety circlip DIN 471

Stainless Steel

German Material No. 1.4122

Information

Fork joints GN 751 consist of a fork head according DIN 71752 and a pin with KL-shaft (Type KL and SL) a pin with snap-on spring (Type B). Both versions can be dismantled without tools and moniter.

Size d₁ = 12 is supplied with a fine thread M12x1.5 according to DIN. In practice, however, M12x1.25 is preferred. Standard DIN 71752 does not foresee size d₁ = 20.

On request

Fork heads in accordance with DIN 71752 with d₁ = 25, 30, 35, 42 and 50 (only Steel Version)

Technical information

ISO-Fundamental Tolerances

Stainless Steel characteristics

Strength values of nuts

Types of fork joint shafts

The snap-on spring pin is easily mounted and dismantled. It is therefore particularly suitable for applications where the articulated connection needs to be loosened often.

The pin with side mount ring can be fitted and dismantled without tools, i. e. by hand.

The pin with safety clip requires a tool for dismantling (e.g. a screw driver). It is therefore better secured.

GN 751-NI

	d₁ H9/h11	l₁	d₂	a	b	d₃	l₂	l₃	l₄
Code											Actions
GN 751-4-8-M4-A-NI	4	8	M 4	8	4	8	16	21	6	6
GN 751-4-16-M4-A-NI	4	16	M 4	8	4	8	24	29	6	8
GN 751-5-10-M5-A-NI	5	10	M 5	10	5	9	20	26	7.5	10
GN 751-5-20-M5-A-NI	5	20	M 5	10	5	9	30	36	7.5	19
GN 751-6-12-M6-A-NI	6	12	M 6	12	6	10	24	31	9	20
GN 751-6-24-M6-A-NI	6	24	M 6	12	6	10	36	43	9	25
GN 751-8-16-M8-A-NI	8	16	M 8	16	8	14	32	42	12	46
GN 751-8-32-M8-A-NI	8	32	M 8	16	8	14	48	58	12	61
GN 751-10-20-M10-A-NI	10	20	M 10	20	10	18	40	52	15	88
GN 751-10-40-M10-A-NI	10	40	M 10	20	10	18	60	72	15	121
GN 751-12-24-M12-A-NI	12	24	M 12	24	12	20	48	62	18	145
GN 751-12-48-M12-A-NI	12	48	M 12	24	12	20	72	86	18	170
GN 751-14-28-M14-A-NI	14	28	M 14	28	14	24	56	72	22.5	222
GN 751-14-56-M14-A-NI	14	56	M 14	28	14	24	85	101	22.5	282
GN 751-16-32-M16-A-NI	16	32	M 16	32	16	26	64	83	24	334
GN 751-16-64-M16-A-NI	16	64	M 16	32	16	26	96	115	24	396
GN 751-20-40-M20-A-NI	20	40	M 20	40	20	34	80	105	30	682

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