Roller chain coupling  (Wrapped type coupling )

Product photo
  • Constructed of two-strand chains and two sprockets.
  • Can be connected and separated without moving the equipment by winding the chains over and removing them from the sprockets.
  • ・Applicable shaft diameter :Φ9.5mm~Φ700mm
  • ・Torque range :99.9~717000N・m

Features

  • ・Excellent Durability

    The coupling provides outstanding durability with the torque distributed to the strong roller chains and surface-hardened sprocket teeth.

  • ・Easy Coupling and Decoupling

    Can be connected and disconnected by simply inserting and extracting a single roller chain joint pin.

  • ・Absorption of Large Misalignment

    The clearance between the components absorbs large misalignment of both shafts.

  • ・Wide variety of products available.

    A total of 24 models, including 15 models compliant with JIS standards and 9 other models, are standardized. (Roller chain coupling JIS B 1456-1989)

Line-up

Model No. Maximum Shaft Bore Diameter
mm
Allowable transmission torque
N・m
Model No. Maximum Shaft Bore Diameter
mm
Allowable transmission torque
N・m
CR3812 Φ16 99.9 CR12018 Φ125 13200
CR4012 Φ22 217 CR12022 Φ140 17100
CR4014 Φ28 295 CR16018 Φ160 28600
CR4016 Φ32 386 CR16022 Φ200 41700
CR5014 Φ35 562 CR20018 Φ205 57000
CR5016 Φ40 735 CR20022 Φ260 71900
CR5018 Φ45 931 CR24022 Φ310 129000
CR6018 Φ56 1750 CR24026 Φ380 157000
CR6022 Φ71 2370 CR32022 Φ430 255000
CR8018 Φ80 3880 CR40020 Φ470 494000
CR8022 Φ100 5580 CR40024 Φ590 602000
CR10020 Φ110 8780 CR40028 Φ700 717000

※Max. allowable transmission torque at below 50 r/min.

Construction

Construction
  • ・The body consists of two special sprockets with hardened teeth and dedicated two-strand roller chains.
  • ・A joint pin and a clip/split pin are attached.
    ※These components are also sold separately.

Housing (Selling seperately )

Please mount a casing in the following cases,

  • (1) Used at high rotating speeds.
  • (2) Used under abrasive conditions, such as dusty areas.
  • (3) Used in corrosive environments, such as moist areas.
  • ・When mounting the casing, the chain coupling life is extended due to the prevention of lubricant splash and dust infiltration.
  • ・For ease of mounting and inspection, the casing can be split at a right angle to the shaft.

Casing Structure

Casing Structure
  • ・The casing is made by aluminum die-casting or aluminum casting, and has a structure that can be divided into two parts. A packing made of rubber cork is attached to the mating face.
  • ・Parts include 4 to 6 hex socket head bolts and a special oil seal.
  • ・The oil seal and packing are also sold separately. Please purchase lubricating grease.
  • ・Install the oil seal on the side subject to greater vibration.
  • ・When used vertically, the oil seal side should be the top side.
    If grease leakage countermeasures are to be taken, please contact us for a quotation.

Catalogs ・Instruction Manuals

Model No. examples

CR 38 12 H

Series

Chain No.  

Sprocket Teeth  

H:Main unit
K:Housing

 

Fit Bore Series
CR6022 - NH35JD2 X NF40FD2

Size

Left hub type symbol

Right hub type symbol
Details of hub type symbol
Kind of hub Shaft bore tolerance Shaft Bore Diameter Keyway tolerance Set screw positioning
N H 35 J D2
N F 40 F D2
N:Standard Hubs
F:F7
G:G7
H:H7
J:JS7
P:P7
M:M7
N:N7
K:K7
R:R7
Shaft bore diameters are in 1mm units. J:New JIS Js9
P:New JIS P9
F:Old JIS F7
E:Old JIS E9

[Click to enlarge ]

Fit Bore Series (Finished shaft bores ) Model No. Navigation

Package Left hub Right hub
(Oil seal side)
Size
Shaft Bore Diameter
Kind of hub N N
Shaft bore tolerance
Keyway tolerance
Set screw positioning

Selected model No. :

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