Nebraska Irrigation | Center Pivot Steel-Flex Drive Couplers

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Home > Products > Drive Trains > Drive Couplers >

Steel-Flex Drive Couplers

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Steel-Flex Drive Coupler w/Large Diameter Disk (shown with extended end)	Steel-Flex Drive Coupler w/Small Diameter Disk (shown with extended end)
Typically 5" overall length on standard coupler	Typically 7" to 9" overall length with extended end coupler

NI’s original disk coupler. The Steel-Flex features a unique heavy-duty drive disk that tolerates misalignment and absorbs shock from motor starts; adding life to gearboxes.
. Features a sunlight resistant, reinforced PVC disk.
. Round end is split to tighten on worn shafts - adds life to old shafts.
. Fits virtually all irrigation system drive lines.
. Supplied with grade 5 bolts; prepackaged for easy assembly.
. Coupler ends are made of high tensile American steel and feature a high quality industrial coating.
. Coupler ends are precision welded, robotically - provides consistent quality.

Important: For safety always shield drive shafts and couplers.
Click here to view Drive Line Shield Kits

Made in the U.S.A.

Steel-Flex Coupler Selection Chart
NI Part Number		Round End	Square End	Overall Length
Disk Diameter Large	Disk Diameter Small	Round End	Square End	Overall Length
42038	42038s	1"	3/4"	5"
42052	42052s	1"	3/4"	7"
42054	42054s	1"	3/4"	9"
42023	42023s	1"	7/8"	5"
42050	42050s	1"	7/8"	7"
42037	42037s	1"	7/8"	9"
42090	42090s	1"	1"	5"
42093	42093s	1"	1"	7"
42014	42014s	1"	1"	9"
420179	420179s	1"	1-1/8"	7"
42094	42094s	1"	1-1/8"	9"
42060	42060s	1" w/key	3/4"	5"
42011	42011s	1" w/key	3/4"	7"
42074	42074s	1" w/key	3/4"	9"
42013	42013s	1" w/key	7/8"	5"
42034	42034s	1" w/key	7/8"	7"
42021	42021s	1" w/key	7/8"	9"
42056	42056s	1" w/key	1"	5"
42091	42091s	1" w/key	1"	7"
42068	42068s	1" w/key	1"	9"
42058	42058s	1" w/key	1-1/8"	7"
42087	42087s	1" w/key	1-1/8"	9"
42051	42051s	1-1/8"	3/4"	5"
42029	42029s	1-1/8"	3/4"	7"
42041	42041s	1-1/8"	3/4"	9"
42086	42086s	1-1/8"	7/8"	5"
42032	42032s	1-1/8"	7/8"	7"
42042	42042s	1-1/8"	7/8"	9"
42075	42075s	1-1/8"	1"	5"
42063	42063s	1-1/8"	1"	7"
42071	42071s	1-1/8"	1"	9"
42025	42025s	1-1/8"	1-1/8"	7"
42047	42047s	1-1/8"	1-1/8"	9"

Steel-Flex Coupler Parts


47002 Disk, Large Diameter (4-9/16")	47002s Disk, Small Diameter (3-3/4")	47002-5 Disk, Large Diameter (5") Northwest Style

Steel-Flex Coupler Parts
NI Part Number		Description
Disk Diameter Large	Disk Diameter Small	Description
47002	----	Disk, PVC, Heavy-Duty, Large Dia., 4-9/16"
----	47002s	Disk, PVC, Heavy-Duty, Small Dia., 3-3/4"
47002-5	----	Disk, PVC, Heavy-Duty, 5" Dia., Northwest Style
20014	20014	Bolt Kit, Steel Flex
42081	42081s	1" Round / Split x 2"
420152	420152s	1" Round w/ Keyway x 2"
42015	42015s	3/4" Square x 2"
42096	42096s	3/4" Square x 4"
42036	42036s	3/4" Square x 6"
420106	420106s	3/4" Square x 4" Solid End
42040	42040s	7/8" Square x 2"
42089	42089s	7/8" Square x 4"
42001	42001s	7/8" Square x 6"
42080	42080s	1" Square x 2"
42020	42020s	1" Square x 4"
42016	42016s	1" Square x 6"
42064	42064s	1-1/8" Round x 2"
42085	42085s	1-1/8" Square x 4"
42069	42069s	1-1/8" Square x 6"
		For Pringle Systems:
420144	----	Pringle Complete, 1-1/8" Round w/ Keyway x 1" Rd w/ KW
420153	----	1-1/8" Round w/ Keyway, End only, Pringle
42006	----	1" Rd w/ KW, End only, Pringle

:: Related Items ::

Drive Line Shield Kits
Be Safe! Keep All Shields Installed.

Steel-Flex Coupler Parts
Disk, Bolt Kit, etc.

Drive Shafts
Painted.

Cloverleaf Drive Couplers
with high quality insert.

Universal Steel-Flex Couplers
Versatile.

Steel U-Joints
Regular or split-end.

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911 East 23rd St. | Columbus, NE 68601-1023, USA | Phone: 1.800.397.1100 | 402.564.1514 | Fax: 402.563.2792
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