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Flexible Couplings - Double disc type, MHW series.
NBK
Double disc type flexible couplings, MHW series. Zero backlash. Stainless steel model allows eccentricity and deflection.
Days to Ship: | 8 Days or more |
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Flexible Couplings - zero backlash, EK2 series, (Inches).
R+W
Features
Easy to mount
Highly concentric assembly
Vibration damping
Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert
Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels
Advantage
Smooth running and reliable transmission with absorption of vibration and shock
Size 800 is available on special request.
Days to Ship: | 5 Days or more |
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Flexible Couplings - zero backlash, EKL series, (Inches).
R+W
Features
Short overall length
Easy mounting
Vibration damping
Design
Two concentrically machined hubs with curved jaws and clamping screws, with calibrated preloaded insert
Material
Hubs: high strength aluminum
Elastomer: wear resistant thermanally stable TPU, available in 3 hardness levels
Advantage
Smooth running and reliable transmission with absorption of vibration and shock
Size 800 is available on special request.
Days to Ship: | 5 Days or more |
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Flexible Couplings - Double shoulder disc, servomotor, high torque, screw clamp type.
MISUMI
Flexible couplings with double shoulder, high torque and screw clamp fastening. This type of coupling can be selected with one or two intermediate discs, and can also be selected with a wedge slot at either or both ends.
Days to Ship: | 8 Days or more |
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Flexible Couplings - SPRFLEX, AL series.
Miki Pulley
Flexible spider couplings, SPRFLEX AL series. This coupling has a separator made of nitrile rubber material. The coupling body material is aluminum. It is used in motors, pumps, fans and general purpose textile machines.
Days to Ship: | 8 Days or more |
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Flexible Couplings - ALS-Y series.
Miki Pulley
Flexible spider coupling, ALS-Y series. The material is aluminum. It has a polyurethane resin separator. It has a high transmission torque. It can be selected with pilot holes, with clamping or clamping type.
Days to Ship: | 16 Days or more |
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Flexible Couplings - Oldham Type, selectable clamping type, MOS series.
NBK
Oldham type flexible couplings, with clamping or clamping type of fastening. This model allows a high level of misalignment.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Oldham type, with PEEK resin material separator.
NBK
Oldham type flexible couplings with PEEK resin material separator. Ideal for use in clean rooms. Excellent heat resistance and chemical resistance. Allows misalignment and deflection. Applications: for semiconductor manufacturing.
Days to Ship: | 10 Days or more |
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Flexible Couplings - With rubber separator.
NBK
Flexible couplings with rubber separator. High vibration absorption. For high torque. Zero Backlash. Optimized for actuators.
Days to Ship: | Same day or more |
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Show Stock Products
Flexible Couplings - Precision, leaf spring type, LAS-C series.
Sakai Manufacturing
Flexible precision couplings with leaf spring. High precision and high flexibility rotational transmission is possible due to its double clamping and backlash-free structure. Ideal for servo and stepper motors.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Leaf spring type, TAD-C series.
Sakai Manufacturing
Flexible leaf spring type couplings, TAD-C series. Ultra-lightweight duraluminum. By improving torque transmission with lightweight duraluminum, rigid body and leaf spring, performance increases.
Days to Ship: | 14 Days or more |
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Flexible Couplings - Bellows Type, Zero Backlash, BKL Series, (Inches).
R+W
Features
Easy to mount
Light weight and low moment of inertia
High torsional stiffness
Design
Two clamping hubs concentrically mounted to flexible bellows. Brief overloads of up to 1.5x the rated torque are acceptable.
Material
Bellows: high grade stainless steel
Hubs: see table
Advantage
Smooth stable running in highly dynamic and highly precise motion applications
Pilot bore parts can be found on the metric page here.
Days to Ship: | 5 Days or more |
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Flexible Couplings - Oldham type, with multiple spacer models.
MISUMI
•Application : Standard
•Body Material : Aluminum
•Allowable Misalignment : Angular, Eccentricity
•Feature : Low Moment of Inertia
For complete product overview and details on Couplings - Oldham, Blue Set Screw / Clamping / Green Short Clamping see the sections below:
Days to Ship: | 8 Days or more |
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Flexible Couplings - Oldham type, super compact model.
MISUMI
Full Length Shortened Product with Larger Torque than Conventional Products
Days to Ship: | 8 Days or more |
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Flexible Couplings - Slotted type, for servomotor, selectable fastening type.
MISUMI
Slotted type flexible couplings, for servomotor with choice of clamp or clamp fixing type. High torsional stiffness and low moment of inertia. The body material is A7075 Duraluminum. The spring is fully integrated into the coupling body thanks to the grooves.
Days to Ship: | 8 Days or more |
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Flexible Couplings - With high rigidity and choice of fastening type.
MISUMI
Rigidity Type is Servo Motor Compatible
Days to Ship: | 12 Days or more |
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Flexible Couplings - Disc, for servomotor (Inch and Metric).
MISUMI
Flexible disc couplings for servomotor with sizes for internal diameters in inches or metric. The U-CPDW and U-CPDT models have high torque with zero backlash and are optimal for servo motors.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Oldham Type, (Inch and Metric).
MISUMI
Oldham type flexible couplings, with a choice of metric and inch sizes. The coupling body material is aluminum. Spacer material is polyurethane.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Slotted type, stainless steel.
NBK
Stainless steel grooved type flexible couplings. They feature zero backlash. The design is compact. Ideal for equipment transfer applications, XY platforms, etc.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Disc, clamp-on type, MDS-C series.
NBK
Flexible disc couplings, clamping type, MDS-C series. Features high torsional rigidity, high torque and zero backlash. Compact design and short overall length. Stainless steel disc allows for eccentricity and deflection.
Days to Ship: | Same day or more |
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Show Stock Products
Flexible Couplings - Precision, leaf spring type, LAD-C series.
Sakai Manufacturing
Flexible precision couplings with leaf spring. High precision and high flexibility rotational transmission is possible due to its double clamping and backlash-free structure.
Days to Ship: | 8 Days or more |
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Flexible Couplings - Leaf spring type, TAS-C series.
Sakai Manufacturing
Flexible leaf spring type couplings, TAS-C series. A single leaf spring provides high stiffness and the lightweight coupling body pursues improved accuracy and response.
Days to Ship: | 14 Days or more |
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Flexible Couplings - Bellows type, zero backlash, BK2 series, (Inches).
R+W
Features
Easy to mount
Light weight and low moment of inertia
High torsional stiffness
Design
Two clamping hubs concentrically mounted to flexible bellows. Brief overloads of up to 1.5x the rated torque are acceptable.
Material
Bellows: high grade stainless steel
Hubs: see table
Advantage
Smooth stable running in highly dynamic and highly precise motion applications
Sizes 200 and above are available on special request.
Pilot bore parts can be found on the metric page.here.
Days to Ship: | 21 Days |
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Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches).
R+W
Features
Low restoring forces on coupled shafts
Easy installation
Light weight and low moment of inertia
Design
Two clamping hubs concentrically mounted to flexible bellows.
Material
Bellows: high grade stainless steel
Hubs: aluminum
Advantage
Precise and well-balanced transmission with zero backlash
Pilot bore parts can be found on the metric page here.
Days to Ship: | 5 Days or more |
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Product Series |
CAD |
Days to Ship |
Specifications |
Type |
Allowable Misalignment |
Application |
Allowable Torque Range(N•m) |
For Shaft Size D1(mm) |
For Shaft Size D2(mm) |
Outer Dia. A(Ø) |
Overall Length W(mm) |
Max. Rotational Speed Range(r/min) |
Feature |
Body Material |
Category |
Allowable Torque(N•m) |
Max. Rotational Speed(r/min) |
Allowable Angular Misalignment(deg) |
Allowable Lateral Misalignment Range(mm) |
Allowable Lateral Misalignment(mm) |
Buffer Part Material |
Disc Part Material |
Bellows Part Material |
For Shaft Size D1(inch) |
For Shaft Size D2(inch) |
Brand | NBK | R+W | R+W | MISUMI | Miki Pulley | Miki Pulley | NBK | NBK | NBK | Sakai Manufacturing | Sakai Manufacturing | R+W | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | MISUMI | NBK | NBK | Sakai Manufacturing | Sakai Manufacturing | R+W | R+W |
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Product Series | Flexible Couplings - Double shoulder disc, servomotor, high torque, screw clamp type. | Flexible Couplings - Oldham Type, selectable clamping type, MOS series. | Flexible Couplings - Oldham type, with PEEK resin material separator. | Flexible Couplings - Precision, leaf spring type, LAS-C series. | Flexible Couplings - Bellows Type, Zero Backlash, BKL Series, (Inches). | Flexible Couplings - Oldham type, with multiple spacer models. | Flexible Couplings - Slotted type, for servomotor, selectable fastening type. | Flexible Couplings - With high rigidity and choice of fastening type. | Flexible Couplings - Disc, for servomotor (Inch and Metric). | Flexible Couplings - Precision, leaf spring type, LAD-C series. | Flexible Couplings - Bellows type, zero backlash, BK2 series, (Inches). | Flexible Couplings - Bellows type, miniature, zero backlash, MK2 series, (Inches). | ||||||||||||
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Days to Ship | 8 Days or more | 5 Days or more | 5 Days or more | 8 Days or more | 8 Days or more | 16 Days or more | 8 Days or more | 10 Days or more |
Same day or more
Show Stock Products | 8 Days or more | 14 Days or more | 5 Days or more | 8 Days or more | 8 Days or more | 8 Days or more | 12 Days or more | 8 Days or more | 8 Days or more | 8 Days or more |
Same day or more
Show Stock Products | 8 Days or more | 14 Days or more | 21 Days | 5 Days or more |
Specifications |
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Type | Disc Type | Jaw Type | Jaw Type | Disc Type | Jaw Type | Jaw Type | Oldham Type | Oldham Type | Oldham Type | Disc Type | Disc Type | Bellows Type | Oldham Type | Oldham Type | With Slit | Jaw Type | Disc Type | Jaw Type | With Slit | Disc Type | Disc Type | Disc Type | Bellows Type | Bellows Type |
Allowable Misalignment | Angular / Axial | - | - | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity | Angular / Eccentricity | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | - | Angular / Eccentricity | Angular / Eccentricity | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | Angular / Eccentricity / Axial | - | - |
Application | Standard / Stepping Motor | Servo Motor / Stepping Motor | Servo Motor / Stepping Motor | Standard | Standard / Stepping Motor | Standard / Servo Motor / Stepping Motor / Encoder | Standard / Stepping Motor | Standard / Stepping Motor | Standard / Servo Motor / Stepping Motor | Standard / Servo Motor / Stepping Motor / Encoder | Standard / Servo Motor / Stepping Motor | - | Standard | Standard | Servo Motor | Standard | Servo Motor | Standard | Standard / Stepping Motor | Standard / Servo Motor / Stepping Motor | Standard / Servo Motor / Stepping Motor / Encoder | Standard / Servo Motor / Stepping Motor | - | - |
Allowable Torque Range(N•m) | 1.01~3.00 ~ 5.01~10.00 | 10.01~20.00 ~ 1000~less than 5000 | 10.01~20.00 ~ 1000~less than 5000 | 1.01~3.00 ~ 5.01~10.00 | 0.05~1.00 ~ 20.01~50.00 | 0.05~1.00 ~ 100~less than 500 | 0.05~1.00 ~ 1.01~3.00 | 0.05~1.00 ~ 1.01~3.00 | 0.05~1.00 ~ 20.01~50.00 | 0.05~1.00 ~ 10.01~20.00 | 20.01~50.00 ~ 50.01~100.00 | 1.01~3.00 ~ 100~less than 500 | 0.05~1.00 ~ 5.01~10.00 | 0.05~1.00 ~ 1.01~3.00 | 0.05~1.00 ~ 1.01~3.00 | 10.01~20.00 ~ 50.01~100.00 | 1.01~3.00 ~ 10.01~20.00 | 0.05~1.00 ~ 10.01~20.00 | 0.05~1.00 ~ 3.01~5.00 | 0.05~1.00 ~ 10.01~20.00 | 0.05~1.00 ~ 10.01~20.00 | 20.01~50.00 ~ 50.01~100.00 | 10.01~20.00 ~ 100~less than 500 | 0.05~1.00 ~ 5.01~10.00 |
For Shaft Size D1(mm) | 6 ~ 25 | - | - | 6 ~ 25 | 6 ~ 48 | 3 ~ 60 | 1 ~ 14 | 5 ~ 14 | 3 ~ 28 | 3 ~ 24 | 10 ~ 25 | - | 3 ~ 16 | 3 ~ 10 | 5 ~ 16 | 15 ~ 40 | - | - | 2 ~ 16 | 4 ~ 30 | 3 ~ 24 | 10 ~ 25 | - | - |
For Shaft Size D2(mm) | 6 ~ 25 | - | - | 6 ~ 25 | 6 ~ 48 | 3 ~ 60 | 1 ~ 14 | 5 ~ 14 | 3 ~ 28 | 3 ~ 24 | 12 ~ 32 | - | 3 ~ 16 | 3 ~ 10 | 5 ~ 16 | 15 ~ 40 | - | - | 2 ~ 16 | 4 ~ 30 | 3 ~ 24 | 12 ~ 35 | - | - |
Outer Dia. A(Ø) | 32 ~ 63 | 42 ~ 102 | 16 ~ 102 | 32 ~ 63 | 16.1 ~ 85 | 14 ~ 105 | 8 ~ 32 | - | 15 ~ 56 | 12 ~ 48 | 48 ~ 65 | 25 ~ 123 | 16 ~ 40 | 12 ~ 25 | 16 ~ 34 | 55 ~ 95 | 19 ~ 50 | 14 ~ 40 | 8 ~ 32 | 19 ~ 63 | 12 ~ 48 | 48 ~ 65 | 49 ~ 81 | 15 ~ 40 |
Overall Length W(mm) | 40 ~ 58 | 66 ~ 126 | 20 ~ 94 | 32 ~ 58 | 20.5 ~ 110 | 22 ~ 140 | 12.7 ~ 33.3 | 22.1 ~ 33.3 | 18 ~ 60 | 12.4 ~ 38.6 | 56.5 ~ 72 | 30 ~ 114 | 18 ~ 50 | 13.5 ~ 22.5 | 17.4 ~ 35 | 60 ~ 100 | - | - | 10 ~ 32 | 20 ~ 46 | 15.8 ~ 52 | 41.8 ~ 54.5 | 59 ~ 144 | 25 ~ 60 |
Max. Rotational Speed Range(r/min) | 4001~10000 ~ 10001~78000 | 4001~10000 ~ 10001~78000 | 4001~10000 ~ 10001~78000 | 4001~10000 ~ 10001~78000 | 2001~4000 ~ 10001~78000 | 4001~10000 ~ 10001~78000 | 10001~78000 | 10001~78000 | 10001~78000 | 4001~10000 | 4001~10000 | 4001~10000 | 10001~78000 | 4001~10000 ~ 10001~78000 | 10001~78000 | 2001~4000 ~ 10001~78000 | 2001~4000 ~ 10001~78000 | 2001~4000 ~ 10001~78000 | 10001~78000 | 4001~10000 ~ 10001~78000 | 4001~10000 | 4001~10000 | 4001~10000 | 4001~10000 |
Feature | No Backlash | No Backlash | No Backlash | Low Moment of Inertia ~ No Backlash | Unfinished Shaft Bore ~ Vibration Insulation | Low Moment of Inertia ~ Vibration Insulation | - | Clean Environment ~ Vacuum Environment | High Torque ~ Vibration Insulation | High Torsional Rigidity ~ Low Moment of Inertia | High Accuracy ~ Low Moment of Inertia | Low Moment of Inertia ~ No Backlash | Low Moment of Inertia | Low Moment of Inertia ~ Small | Low Moment of Inertia ~ No Backlash | High Torque ~ Low Moment of Inertia | - | - | High Torque ~ No Backlash | No Backlash | High Torsional Rigidity ~ Low Moment of Inertia | High Accuracy ~ Low Moment of Inertia | Low Moment of Inertia ~ No Backlash | Low Moment of Inertia ~ No Backlash |
Body Material | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum | Aluminum |
Category | Coupling Main Body | - | - | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | - | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | Coupling Main Body | - | - |
Allowable Torque(N•m) | 2 ~ 10 | 12 ~ 1350 | 1 ~ 1350 | 2 ~ 10 | 0.5 ~ 50 | 0.31 ~ 310 | 0.08 ~ 2.8 | 0.7 ~ 2.8 | 0.5 ~ 35 | 0.25 ~ 12 | 35 ~ 80 | 2 ~ 500 | 0.7 ~ 9 | 0.3 ~ 1.6 | 0.5 ~ 3 | 20 ~ 180 | 1.5 ~ 17.99 | 0.7 ~ 16.99 | 0.1 ~ 4 | 0.7 ~ 12.5 | 0.25 ~ 12 | 35 ~ 80 | 15 ~ 150 | 0.5 ~ 10 |
Max. Rotational Speed(r/min) | 10000 ~ 19000 | 8000 ~ 12500 | 8000 ~ 15000 | 10000 ~ 19000 | 4000 ~ 18000 | 4500 ~ 34100 | 19000 ~ 78000 | 19000 ~ 31000 | 11000 ~ 42000 | 10000 | 10000 | 10000 | 15000 ~ 39000 | 5000 ~ 12000 | 18000 ~ 39000 | 4000 ~ 20000 | 4000 ~ 10000 | 3800 ~ 11000 | 19000 ~ 78000 | 10000 ~ 33000 | 10000 | 10000 | 10000 | 10,000 |
Allowable Angular Misalignment(deg) | 2 | 0.8 ~ 1.2 | 0.8 ~ 1.2 | 1 ~ 2 | 0.5 ~ 1 | 1 | 2 | 2 | 1.5 | 0.5 ~ 1 | 1 | 1 | 3 | 1.5 | 0.5 | 1 ~ 2 | 0.7 ~ 1.5 | 1 | 1 | 0.7 | 0.5 ~ 1 | 1 | 1 ~ 2 | 1 ~ 2 |
Allowable Lateral Misalignment Range(mm) | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 | 0.41~1.0 ~ 1.1~3.0 | 1.1~3.0 | 0.02~0.2 | 0.02~0.2 | 0.21~0.40 | 0.02~0.2 | 0.41~1.0 ~ 1.1~3.0 | 0.21~0.40 ~ 1.1~3.0 | 0.02~0.2 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 | 0.02~0.2 | - | 0.02~0.2 | 0.02~0.2 ~ 0.21~0.40 | 0.02~0.2 | 0.02~0.2 ~ 0.41~1.0 | 0.02~0.2 ~ 0.21~0.40 |
Allowable Lateral Misalignment(mm) | 0.15 ~ 0.3 | 0.08 ~ 0.35 | 0.06 ~ 0.35 | 0.15 ~ 0.3 | 0.1 ~ 0.3 | 0.1 ~ 0.2 | 0.5 ~ 2 | 1.3 ~ 2 | 0.15 ~ 0.2 | 0.01 ~ 0.02 | 0.26 ~ 0.31 | 0.2 | 1 ~ 3 | 0.3 ~ 1.2 | 0.05 | 0.1 ~ 0.4 | 0.005(inch) ~ 0.006(inch) | 0.004(inch) ~ 0.008(inch) | - | 0.02 | 0.03 ~ 0.23 | 0.02 | 0.15 ~ 1 | 0.15 ~ 0.3 |
Buffer Part Material | - | Polyurethane | Polyurethane | - | Others | Polyurethane | Polyacetal | PEEK | Others | - | - | - | Polyacetal | Polyacetal | - | Polyurethane / Nylon | - | - | - | - | - | - | - | - |
Disc Part Material | Stainless Steel | - | - | Stainless Steel | - | - | - | - | - | Stainless Steel | Stainless Steel | - | - | - | - | - | - | - | - | Stainless Steel | Stainless Steel | Stainless Steel | - | - |
Bellows Part Material | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Stainless Steel | Stainless Steel |
For Shaft Size D1(inch) | - | 1 ~ 7/8 | 1 ~ 7/8 | - | - | - | - | - | - | - | - | 1 ~ 7/16 | - | - | - | - | - | - | - | - | - | - | 1 ~ 7/8 | 1/2 ~ 7/16 |
For Shaft Size D2(inch) | - | 1 ~ 7/8 | 1 ~ 7/8 | - | - | - | - | - | - | - | - | 1 ~ 7/16 | - | - | - | - | - | - | - | - | - | - | 1 ~ 7/8 | 1/2 ~ 7/16 |
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