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MFB Flexible Coupling - Bellows Type (Part Numbers)

[Features]
· Isokinetic
· Backlash "0"
· The all stainless type is also standardized.
· Bellows allow eccentricity, declination and end play.
· Constant speed rotation even if there is misalignment.
· There are two types of bellows, phosphor bronze and stainless steel.
[Use]
· For encoders, etc.

(i)Caution

Some of the items are scheduled to be discontinued as of end of March in 2023. The manufacturer keep the items produced but they are not available with Misumi.
There are not the replacement items and the plan to resumption of sale. Please check the quotation and order screen for details.

Part Number

Configured Part Number is shown.

: 30; 60; 90

Part Number
MFBS-12-4-6
MFBS-12-4-6.35-BT
MFBS-12-5-5
MFBS-12-5-6
MFBS-12-5-6.35-BT
MFBS-12-6-6
MFBS-12-6-6.35-BT
MFBS-12-6.35-BT-6.35-BT
MFBS-12C-4-4
MFBS-12C-4-5
MFBS-12C-5-5
MFBS-16-4-4
MFBS-16-4-5
MFBS-16-4-6
MFBS-16-4-7-BT
MFBS-16-4-8
MFBS-16-5-5
MFBS-16-5-6
MFBS-16-5-7-BT
MFBS-16-5-8
MFBS-16-6-6
MFBS-16-6-7-BT
MFBS-16-6-8
MFBS-16-7-BT-7-BT
MFBS-16-7-BT-8
MFBS-16-8-8
MFBS-16C-5-5
MFBS-16C-5-6
MFBS-16C-5-6.35-BT
MFBS-16C-6-6
MFBS-16C-6-6.35-BT
MFBS-16C-6.35-BT-6.35-BT
MFBS-20-5-5
MFBS-20-5-6
MFBS-20-5-7-BT
MFBS-20-5-8
MFBS-20-5-9-BT
MFBS-20-5-9-BT-KT
MFBS-20-5-10
MFBS-20-5-10-KT
MFBS-20-6-6
MFBS-20-6-7-BT
MFBS-20-6-8
MFBS-20-6-9-BT
MFBS-20-6-9-BT-KT
MFBS-20-6-10
MFBS-20-6-10-KT
MFBS-20-7-BT-7-BT
MFBS-20-7-BT-8
MFBS-20-7-BT-9-BT
MFBS-20-7-BT-9-BT-KT
MFBS-20-7-BT-10
MFBS-20-7-BT-10-KT
MFBS-20-8-8
MFBS-20-8-9-BT
MFBS-20-8-9-BT-KT
MFBS-20-8-10
MFBS-20-8-10-KT
MFBS-20-9-BT-9-BT
MFBS-20-9-BT-10
MFBS-20-9-BT-10-KT
MFBS-20-9-BT-KT-9-BT
MFBS-20-9-BT-KT-9-BT-KT
MFBS-20-9-BT-KT-10
MFBS-20-9-BT-KT-10-KT
MFBS-20-10-10
MFBS-20-10-KT-10
MFBS-20-10-KT-10-KT
MFBS-20C-6-6
MFBS-20C-6-7-BT
MFBS-20C-6-8
MFBS-20C-7-BT-7-BT
MFBS-20C-7-BT-8
MFBS-20C-8-8
MFBS-25-6-6
MFBS-25-6-7-BT
MFBS-25-6-8
MFBS-25-6-9-BT
MFBS-25-6-9-BT-KT
MFBS-25-6-10
MFBS-25-6-10-KT
MFBS-25-6-11-BT
MFBS-25-6-11-BT-KT
MFBS-25-6-12
MFBS-25-6-12-KT
MFBS-25-7-BT-7-BT
MFBS-25-7-BT-8
MFBS-25-7-BT-9-BT
MFBS-25-7-BT-9-BT-KT
MFBS-25-7-BT-10

Standard Unit Price	Minimum order quantity	Days to Ship	RoHS	Shaft Bore Dia. (machined) D1 (Ø)	Shaft Bore Dia. (machined) D2 (Ø)	O.D. (Ø)	Full Length (mm)	Allowable Torque Range (N•m)	Body Material	Normal Torque (N•m)	Allowable Angular Misalignment (deg)	Allowable Lateral Misalignment (mm)	Max. Rotational Speed (r/min)	Bellows Material	Allowable Axial Misalignment (mm)	Moment of Inertia (kg・m2)	Construction	Additional Work	Keyway
MYR 183.16	1 Piece(s)	8 Day(s) or more	10	4	6	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 399.23	1 Piece(s)	8 Day(s) or more	10	4	6.35	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 183.16	1 Piece(s)	8 Day(s) or more	10	5	5	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 183.16	1 Piece(s)	8 Day(s) or more	10	5	6	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 399.23	1 Piece(s)	8 Day(s) or more	10	5	6.35	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 183.16	1 Piece(s)	8 Day(s) or more	10	6	6	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 399.23	1 Piece(s)	8 Day(s) or more	10	6	6.35	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 605.73	1 Piece(s)	8 Day(s) or more	10	6.35	6.35	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 335.26	1 Piece(s)	8 Day(s) or more	10	4	4	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 335.26	1 Piece(s)	8 Day(s) or more	10	4	5	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 335.26	1 Piece(s)	8 Day(s) or more	10	5	5	12	23.5	0.05~1.00	[Stainless Steel] SUS303	0.5	1.5	0.1	52000	[Stainless Steel] SUS316L	+0.4/-1.2	2.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	4	4	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	4	5	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	4	6	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 435.59	1 Piece(s)	8 Day(s) or more	10	4	7	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	4	8	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	5	5	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	5	6	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 435.59	1 Piece(s)	8 Day(s) or more	10	5	7	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	5	8	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	6	6	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 435.59	1 Piece(s)	8 Day(s) or more	10	6	7	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 216.77	1 Piece(s)	5 Day(s) or more	10	6	8	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 641.97	1 Piece(s)	8 Day(s) or more	10	7	7	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 435.59	1 Piece(s)	8 Day(s) or more	10	7	8	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Additional Work Shaft Hole	NA
MYR 216.77	1 Piece(s)	8 Day(s) or more	10	8	8	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.0×10^-7	Set Screw Type	Standard Shaft Bore	NA
MYR 373.39	1 Piece(s)	8 Day(s) or more	10	5	5	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 373.39	1 Piece(s)	8 Day(s) or more	10	5	6	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 604.55	1 Piece(s)	8 Day(s) or more	10	5	6.35	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Additional Work Shaft Hole	NA
MYR 373.39	1 Piece(s)	8 Day(s) or more	10	6	6	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Standard Shaft Bore	NA
MYR 604.55	1 Piece(s)	8 Day(s) or more	10	6	6.35	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Additional Work Shaft Hole	NA
MYR 773.18	1 Piece(s)	8 Day(s) or more	10	6.35	6.35	16	26.5	0.05~1.00	[Stainless Steel] SUS303	1	1.5	0.1	39000	[Stainless Steel] SUS316L	+0.4/-1.2	8.1×10^-7	Clamping Type	Additional Work Shaft Hole	NA
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	5	5	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	5	6	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	5	7	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	5	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	5	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	5	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	5	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	5	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	D2 Hole
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	6	6	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	6	7	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	6	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	6	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	6	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	6	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	6	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	D2 Hole
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	7	7	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	7	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	7	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 830.25	1 Piece(s)	8 Day(s) or more	10	7	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	7	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	7	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 238.73	1 Piece(s)	7 Day(s) or more	10	8	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	8	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	8	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	8	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	8	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	D2 Hole
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	9	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	9	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	9	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 830.25	1 Piece(s)	8 Day(s) or more	10	9	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D1 Hole
MYR 1,025.21	1 Piece(s)	8 Day(s) or more	10	9	9	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	Both Sides
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	9	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	D1 Hole
MYR 830.25	1 Piece(s)	8 Day(s) or more	10	9	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Additional Work Shaft Hole	Both Sides
MYR 238.73	1 Piece(s)	8 Day(s) or more	10	10	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 457.66	1 Piece(s)	8 Day(s) or more	10	10	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	D1 Hole
MYR 665.28	1 Piece(s)	8 Day(s) or more	10	10	10	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Set Screw Type	Standard Shaft Bore	Both Sides
MYR 404.10	1 Piece(s)	8 Day(s) or more	10	6	6	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Standard Shaft Bore	NA
MYR 637.25	1 Piece(s)	8 Day(s) or more	10	6	7	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Additional Work Shaft Hole	NA
MYR 404.10	1 Piece(s)	8 Day(s) or more	10	6	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Standard Shaft Bore	NA
MYR 803.91	1 Piece(s)	8 Day(s) or more	10	7	7	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Additional Work Shaft Hole	NA
MYR 587.24	1 Piece(s)	8 Day(s) or more	10	7	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Additional Work Shaft Hole	NA
MYR 344.56	1 Piece(s)	8 Day(s) or more	10	8	8	20	33	1.01~3.00	[Stainless Steel] SUS303	1.5	2	0.15	31000	[Stainless Steel] SUS316L	+0.6/-1.8	2.3×10^-6	Clamping Type	Standard Shaft Bore	NA
MYR 295.80	1 Piece(s)	8 Day(s) or more	10	6	6	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	6	7	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 295.80	1 Piece(s)	8 Day(s) or more	10	6	8	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	6	9	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 692.33	1 Piece(s)	8 Day(s) or more	10	6	9	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 295.80	1 Piece(s)	8 Day(s) or more	10	6	10	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	6	10	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	D2 Hole
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	6	11	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 692.33	1 Piece(s)	8 Day(s) or more	10	6	11	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 295.80	1 Piece(s)	8 Day(s) or more	10	6	12	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	NA
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	6	12	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Standard Shaft Bore	D2 Hole
MYR 692.33	1 Piece(s)	8 Day(s) or more	10	7	7	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	7	8	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 692.33	1 Piece(s)	8 Day(s) or more	10	7	9	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA
MYR 887.30	1 Piece(s)	8 Day(s) or more	10	7	9	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	D2 Hole
MYR 518.41	1 Piece(s)	8 Day(s) or more	10	7	10	25	36.5	1.01~3.00	[Stainless Steel] SUS303	2	2	0.15	25000	[Stainless Steel] SUS316L	+0.6/-1.8	7.0×10^-6	Set Screw Type	Additional Work Shaft Hole	NA

Basic Information

Type	Bellows Type	Application	Stepping Motor	Features	Backlash 0
Allowable Misalignment	Angular Misalignment / Eccentricity / Axial Misalignment	Maximum Range of Rotation Number(r/min)	10001~78000	Product Category	Coupling body
Allowable Lateral Misalignment Range(mm)	0.02~0.2

Configure

882 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)
3

4

5

6

6.35

7

8

9

10

11

12

13

14

15

16
Clear
Shaft Bore Dia. (machined) D2(Ø)
3

4

5

6

6.35

7

8

9

10

11

12

13

14

15

16
Clear
O.D.(Ø)
12

16

20

25

32
Clear
Full Length(mm)
23.5

26.5

33

36.5

42
Clear
Allowable Torque Range(N•m)
0.05~1.00

1.01~3.00
Clear
Body Material
- Stainless Steel
  - SUS303
- Aluminum
  - A2017
Clear
Normal Torque(N•m)
0.3

0.5

0.8

1

1.3

1.5

2

3
Clear
Allowable Angular Misalignment(deg)
1.5

2
Clear
Allowable Lateral Misalignment(mm)
0.1

0.15

0.2
Clear
Max. Rotational Speed(r/min)
19000

25000

31000

39000

52000
Clear
Bellows Material
- Stainless Steel
  - SUS316L
- C5191
Clear
Construction
- Clamping Type
- Set Screw Type
Clear
Additional Work
- Additional Work Shaft Hole
- Standard Shaft Bore
Clear
Keyway
- D1 Hole
- D2 Hole
- Both Sides
- NA
Clear
type
- MFB
- MFBS
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

5 Day(s) or Less

6 Day(s) or Less

7 Day(s) or Less

8 Day(s) or Less

13 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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MFB Flexible Coupling - Bellows Type (Part Numbers)

(i)Caution

Basic Information

Configure

Specification/Dimensions

Shaft Bore Dia. (machined) D1(Ø)

Shaft Bore Dia. (machined) D2(Ø)

O.D.(Ø)

Full Length(mm)

Allowable Torque Range(N•m)

Body Material

Normal Torque(N•m)

Allowable Angular Misalignment(deg)

Allowable Lateral Misalignment(mm)

Max. Rotational Speed(r/min)

Bellows Material

Construction

Additional Work

Keyway

type

CAD

Days to Ship

Specify Alterations

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