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Precautions for use

  • This replacement search service for previous model numbers only provides information on current equivalent products.
    Appearance and dimensions may vary, so please be sure to check the product catalog for details.
  • Please note that we will not compensate for any damages incurred as a result of using this service.
  • The model number of ECHT-FLEX coupling was changed in August 2006. Search for the new model number from the old model number.

ECHT-FLEX Coupling New Model Number Search

Old model number:    

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Notes:
1. Applicable models are standard stock items and products with pre-machined shaft holes available for Quick delivery.
2. Special specification products are not supported.
3. For long spacer type,J dimensionExcludinggreen partEnter the model number of
　　　New model numberAfter converting toJ dimensionPlease add


Old model number:NEF□□□-J□□□－□□□Ｘ□□□

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New model number:NEF□□□－□□□Ｘ□□□-J□□□



Key points regarding model number changes

Changes Old model number New model number
１ Single typeandSpacer TypeThe difference between
I made it clear.		 Single typeteethNo symbol
Example: NEF02-□□□X□□□
Spacer TypeteethW
Example: NEF02W-□□□X□□□		 Single typeteethS
Example: NEF02S-□□□X□□□
Spacer TypeteethW
Example: NEF02W-□□□X□□□
２ The position of the symbol indicating the type of hub has been changed to indicate the hub specifications.
[Hub type] + [Shaft bore diameter] + [Fastening method]
All in one place.		 Hub types are displayed first
Example: NEF10KN-35JX20J		 The type of hub is displayed before each bore diameter.
Example: NEF10S-N20JXK35J
３ To resolve the confusion between Square hub symbol P and Power-Lock specification symbol P
To eliminate this, change the symbol for Square hub to B (box).		 Example: NEF10PN-25CX20C Example: NEF10S-N20CXB25C
４ Locking DeviceSpecificationsShaft diameterandQuantityWe have made this clear. Shaft diameterandQuantityconsecutive
Example: NEF18PN-202X20J		 Shaft diameter+P(Power-Lock)+Quantity
Example: NEF18S-B20P2XN20J

In this case, Square hub is used, so the hub symbol is B.
５ Change pilot bore symbol from RB to R. Example: NEF45KL-RBXRB Example: NEF45S-KRXLR
６ Move the J dimension of the long spacer to the end. Example: NEF04W-J500-10JX10J Example: NEF04W-N10JXN10J-J500
７ The left and right hubs should be listed in order, with the one with the smaller shaft diameter listed first.
If the shaft diameter is the same, use the one with the smaller alphabet in the hub symbol.
I'll do that first.
You can order in the reverse order, but the delivery drawing etc. will show the correct order.
This is the order.		 If there is N, like KN or LN, N is the next
Example: NEF45KN-40JX25J
Omit NN only in the case of NN		 Example: NEF18S-N20JXN25J
Example: NEF18S-L20JXN20J
８ The HEF series will be renamed to the NEH series. HEF09W-80JX90J example:NEH09W-N80JXN90J
９ NES series shaft hole diameter 6.35 to 6.3, 9.525 to 9.5
The display will be truncated.		 NES20S-6.35CX9.525C Example: NES20S-N6.3CXN9.5C