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PART REFERENCE

CJG-1781-021

SFT KEY #20/43/47/52 1/4X3/8X1-1/2

CJG-1781-021

LIST PRICE

$5.20 CAD

Volume discounts and special pricing available for resellers. Contact us to learn more.

Part type
KEY
Used in
Pump and motor
Crossover references
391-1781-021 · M4021781021 · X10-13 · HM391-1781-021
Series
15 21 25 30 31 37 50 51 55

KEY,RECT=.25WX1.25LX.38H,STL,RND-ENDS,#21P/W

Reference printed: 10/16/2026 · List prices in CAD

Sections using this part

Quantities apply to the named section. A part may be used in several sections and series.

SectionDescriptionSeriesQuantity in section
X 31.875 DIA. KEYED SHAFT151
X 8.875 KEYED SHAFT151
A 43SAE-BB ANSI-25-1 KEYED 1D211
A 67SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order)211
B 43SAE-BB ANSI-25-1 KEYED 1D211
B 67SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order)211
C 43CONTINENTAL SAE-BB ANSI-25-1 KEYED 1D211
X 20.9846 DIA. KEYED251
X 43.9996 DIA. KEYED251
X 47.9996 DIA. KEYED TYPE 2251
X 52.9846 DIA. KEYED 1 3/4" EXT251
A 43SAE "BB" KEYED TYPE 1301
A 43*SAE "BB" KEYED TYPE 1301
A 67SAE BB KEYED TYPE 2301
B 43SAE "BB" KEYED TYPE 1301
B 67SAE BB KEYED TYPE 2301
C 43CONTINENTAL SAE "BB" KEYED301
C 43XLCONTINENTAL SAE "BB" KEYED EXTRA LONG301
A 43SAE-BB ANSI-25-1 KEYED 1D311
A 67SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order)311
B 43SAE-BB ANSI-25-1 KEYED 1D311
B 67SAE-BB ANSI-25-1 KEYED 1D, TYPE 2 (special order)311
C 43CONTINENTAL SAE-BB ANSI-25-1 KEYED 1D311
C 43XLCONTINENTAL SAE-BB KEYED 1D, EXTRA LONG (special order)311
X 91.250" DIA. 1 7/16" EXT. KEYED371
A 43SAE "BB" KEYED TYPE 1501
B 43SAE "BB" KEYED TYPE 1501
C 43CONTINENTAL SAE "BB" KEYED501
A 43SAE-BB ANSI-25-1 KEYED 1D511
B 43SAE-BB ANSI-25-1 KEYED 1D511
C 43CONTINENTAL SAE-BB ANSI-25-1 KEYED 1D511
A 43SAE-BB ANSI-25-1 KEYED 1D551
B 43SAE-BB ANSI-25-1 KEYED 1D551
C 43CONTINENTAL SAE-BB ANSI-25-1 KEYED 1D551

Showing shared sections across all series. These are companion components, not substitute parts. Quantities are listed per section.

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C31-2910-740

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Quantity needed: 1

C31-2912-740

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$353.44 CAD

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C31-2915-740

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$244.40 CAD

Quantity needed: 1

C31-2917-740

20X/30/31 - 1 3/4" S&GS, 1D, KEYED, CODE 43

$244.40 CAD

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C31-2920-740

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C51-2910-740

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Quantity needed: 1

C51-2912-740

PM50/51 - 1-1/4" S&GS, 1D, KEYED, CODE 43

$376.00 CAD

Quantity needed: 1

C51-2915-740

PM50/51 - 1-1/2" S&GS, 1D, KEYED, CODE 43

$263.20 CAD

Quantity needed: 1

C51-2917-740

PM50/51 - 1-3/4" S&GS, 1D, KEYED, CODE 43

$263.20 CAD

Quantity needed: 1

C51-2920-740

PM50/51 - 2" S&GS, 1D, KEYED, CODE 43

$263.20 CAD

Quantity needed: 1

C51-2922-740

PM50/51 - 2-1/4" S&GS, 1D, KEYED, CODE 43

$383.52 CAD

Quantity needed: 1

C51-2925-740

PM50/51 - 2-1/2" S&GS, 1D, KEYED, CODE 43

$263.20 CAD

Quantity needed: 1

C31-0100-002

21/31 BEARING RETAINER FOR CONTINENTAL SHAFT (SPACER)

$8.25 CAD

Quantity needed: 1

C31-2812-000

21/31 G.S. - 1-1/4"

$216.20 CAD

Quantity needed: 1

C31-2815-000

21/31 G.S. - 1-1/2"

$216.20 CAD

Quantity needed: 1

C31-2817-000

21/31 G.S. - 1-3/4"

$216.20 CAD

Quantity needed: 1

CJG-2685-011

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$1.90 CAD

Quantity needed: 1

CJG-2883-107

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$4.70 CAD

Quantity needed: 1

CJG-2883-126

M30/31/330 LIP SEAL FOR CON SFT

$24.95 CAD

Quantity needed: 1

CJG-3381-040

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$9.40 CAD

Quantity needed: 1

303-2805-000

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Please call

Quantity needed: 1

303-2807-000

25X - 3/4" GEAR SET

Please call

Quantity needed: 1

303-2812-000

25X - 1-1/4" GEAR SET

Please call

Quantity needed: 1

303-2815-000

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Please call

Quantity needed: 1

303-2817-000

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Please call

Quantity needed: 1

303-2822-000

25X - 2-1/4" GEAR SET

Please call

Quantity needed: 1

303-2825-000

25X - 2-1/2" GEAR SET

Please call

Quantity needed: 1

C31-2825-000

21/31 G.S. - 2-1/2"

$216.20 CAD

Quantity needed: 1

C31-1500-400

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$94.00 CAD

Quantity needed: 1

C31-2905-740

20X/30/31 - 1/2" S&GS CODE 43

$244.40 CAD

Quantity needed: 1

C51-1500-400

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$110.92 CAD

Quantity needed: 1

C51-2812-000

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$235.00 CAD

Quantity needed: 1

C51-2815-000

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$235.00 CAD

Quantity needed: 1

C51-2817-000

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$235.00 CAD

Quantity needed: 1

C51-2822-000

50/51 G.S. - 2-1/2"

$235.00 CAD

Quantity needed: 1

C51-2825-000

50/51 G.S. - 2-1/2"

$235.00 CAD

Quantity needed: 1

CJG-2685-040

50/51/350 CON SFT BRG RTNR SNAPRING

Please call

Quantity needed: 1

CJG-3381-046

50/51/350 CON SFT BEARING RTNR

Please call

Quantity needed: 1

CJG-3383-020

M50/51/350 - SEAL RETAINER

$11.75 CAD

Quantity needed: 1

302-2805-000

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Please call

Quantity needed: 1

302-2807-000

15X G.S. - 3/4" CONTINENTAL

Please call

Quantity needed: 1

302-2810-000

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Please call

Quantity needed: 1

302-2812-000

15X G.S. - 1-1/4" CONTINENTAL

Please call

Quantity needed: 1

302-2815-000

15X G.S. - 1-1/2" CONTINENTAL

Please call

Quantity needed: 1

302-2817-000

15X G.S. - 1-3/4" CONTINENTAL

Please call

Quantity needed: 1

302-2820-000

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Please call

Quantity needed: 1

C31-1135-193

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Quantity needed: 1

302-1134-021

15X SFT #8 .875 DIA. KEYED

Please call

Quantity needed: 1

303-1135-009

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Please call

Quantity needed: 1

303-1135-010

25X SFT TYPE#1 CODE 20

Please call

Quantity needed: 1

303-1135-011

25X SFT #47/48KEYED1/4-TYPE2

Please call

Quantity needed: 1

303-1135-012

25X SFT #43 KEYED 1/4

Please call

Quantity needed: 1

305-1134-025

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Please call

Quantity needed: 1

305-2805-000

37X - 1/2" GEAR SET

Please call

Quantity needed: 1

305-2807-000

37X - 3/4" GEAR SET

Please call

Quantity needed: 1

305-2812-000

37X - 1-1/4" GEAR SET

Please call

Quantity needed: 1

305-2815-000

37X - 1-1/2" GEAR SET

Please call

Quantity needed: 1

305-2817-000

37X - 1-3/4" GEAR SET

Please call

Quantity needed: 1

305-2822-000

37X - 2-1/4" GEAR SET

Please call

Quantity needed: 1

305-2825-000

37X - 2-1/2" GEAR SET

Please call

Quantity needed: 1

C31-2925-648

EXTRA LONG CODE 43 SHAFT

Please call

Quantity needed: 1