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Home / Categories / Couplings / 4H SB FR
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Couplings

Kop-Flex 4H SB FR

SERIES H PLUS

BrandKop-Flex
Part Number2275493
GDS #GDS-109062
Material
Medium Carbon Steel
Bolt Type
Shrouded
Bore Size Max (in)
5.5 in
Bore Type
Rough Bore

Need help confirming fit? Send us the current part number, shaft size, housing photo, or equipment model.

Product Overview

  • Large bore capacity with o-ring seal design. The most economical gear coupling design.
  • Curved face teeth (sizes 1 through 7) for up to 1.5 degrees static misalignment capability.
  • Series H coupling sleeves will bolt to all competitor couplings sizes 1 through 7 for interchangeability in flex halves.
  • Precision-drilled flange bolt holes with special body-fitting, grade 5 bolts for a long-lasting piloted flange connection.
Material
Medium Carbon Steel
Bolt Type
Shrouded
Bore Size Max (in)
5.5 in
Bore Type
Rough Bore
Compatible Bore Size [Min] (in)
0 in
Compatible Bore Size Flex Hub [Min] (in)
2.5 in
Compatible Bore Size Rigid Hub [Min] (in)
2.5 in
Configuration
Flex Rigid
Coupling Size
4
Coupling Type
Gear Coupling
Fastener Quantity
14
Fastener Size
5/8 x 1 5/8
Hub Diameter (in)
9 in
Length Through Bore (in)
4.4375 in
Lube/Non-Lube
Lubricated
Max Bore w/standard key for Flex Hub
5.5 in
Measurement System
Imperial
Outside Diameter (in)
12.5 in
Overall Length (in)
9.501 in
Rating HP @ 100 RPM
375
Sleeve Type
Flanged
Speed Max (rpm)
5,260 rpm
Style
Series H
Tooth Profile
Straight faced, Involute Stub Tooth
Torque [Max] (in-lb)
472,000 in/lbs
Torque Rating (in-lb)
236,000 in/lbs

Always verify dimensions, load ratings, material, and seal type before ordering.

BrandiManufacturer or product brand
Kop-Flex
Mfg. Catalog NumberiManufacturer catalog number
4H SB FR
Mfg. Part NumberiManufacturer part number
2275493
GDS #iGDS internal part number
GDS-109062
CategoryiCatalog classification
Couplings
UPCiUniversal Product Code
662384140408
Model NameiManufacturer model designation
H_1-7_FR_Master

Documents & Support

  • PDFCatalog PageView
  • PDFInstallation ManualView
  • 3D/2D CAD Model (view/download)View

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Price Each
$5,612.88
Available
Qtymin. 1
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