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Flexible Couplings - Bellows type, zero backlash, BKL series. (Part Numbers)

Flexible Couplings - Bellows type, zero backlash, BKL series.

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

Part Number
BKL/2/4/4
BKL/2/4/5
BKL/2/4/6
BKL/2/4/7
BKL/2/4/8
BKL/2/4/9
BKL/2/4/10
BKL/2/4/11
BKL/2/4/12
BKL/2/5/5
BKL/2/5/6
BKL/2/5/7
BKL/2/5/8
BKL/2/5/9
BKL/2/5/10
BKL/2/5/11
BKL/2/5/12
BKL/2/6/6
BKL/2/6/7
BKL/2/6/8
BKL/2/6/9
BKL/2/6/10
BKL/2/6/11
BKL/2/6/12
BKL/2/7/7
BKL/2/7/8
BKL/2/7/9
BKL/2/7/10
BKL/2/7/11
BKL/2/7/12
BKL/2/8/8
BKL/2/8/9
BKL/2/8/10
BKL/2/8/11
BKL/2/8/12
BKL/2/9/9
BKL/2/9/10
BKL/2/9/11
BKL/2/9/12
BKL/2/10/10
BKL/2/10/11
BKL/2/10/12
BKL/2/11/11
BKL/2/11/12
BKL/2/12/12
BKL/2/MPB/MPB
BKL/4.5/6/6
BKL/4.5/6/7
BKL/4.5/6/8
BKL/4.5/6/9
BKL/4.5/6/10
BKL/4.5/6/11
BKL/4.5/6/12
BKL/4.5/6/13
BKL/4.5/6/14
BKL/4.5/6/15
BKL/4.5/6/16
BKL/4.5/7/7
BKL/4.5/7/8
BKL/4.5/7/9
BKL/4.5/7/10
BKL/4.5/7/11
BKL/4.5/7/12
BKL/4.5/7/13
BKL/4.5/7/14
BKL/4.5/7/15
BKL/4.5/7/16
BKL/4.5/8/8
BKL/4.5/8/9
BKL/4.5/8/10
BKL/4.5/8/11
BKL/4.5/8/12
BKL/4.5/8/13
BKL/4.5/8/14
BKL/4.5/8/15
BKL/4.5/8/16
BKL/4.5/9/9
BKL/4.5/9/10
BKL/4.5/9/11
BKL/4.5/9/12
BKL/4.5/9/13
BKL/4.5/9/14
BKL/4.5/9/15
BKL/4.5/9/16
BKL/4.5/10/10
BKL/4.5/10/11
BKL/4.5/10/12
BKL/4.5/10/13
BKL/4.5/10/14
BKL/4.5/10/15
Part NumberMinimum order quantityVolume DiscountDays to Ship Allowable Torque Range
(N•m)
For Shaft Size D1
(mm)
For Shaft Size D2
(mm)
Outer Dia. A
(Ø)
Overall Length W
(mm)
Feature Allowable Torque
(N•m)
Moment of Inertia
(kg・m2)
Fit Length (mm)
(mm)
Torsional Stiffness (N-m/rad)
(N-m/rad)
Tightening Torque of the Fastening Screw (N-m)
(N-m)
Size
1 Piece(s)

21 Days

10.01~20.00442530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00452530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00462530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00472530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00482530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00492530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.004102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.004112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.004122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00552530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00562530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00572530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00582530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00592530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.005102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.005112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.005122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00662530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00672530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00682530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00692530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.006102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.006112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.006122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00772530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00782530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00792530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.007102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.007112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.007122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00882530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00892530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.008102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.008112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.008122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.00992530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.009102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.009112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.009122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.0010102530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.0010112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.0010122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.0011112530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.0011122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

21 Days

10.01~20.0012122530No Backlash / Low Moment of Inertia20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.000-Pilot Bore0-Pilot Bore2530No Backlash / Low Moment of Inertia / Unfinished Shaft Bore20.00210.51.52.32
1 Piece(s)

5 Days

10.01~20.00663240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00673240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

5 Days

10.01~20.00683240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00693240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006103240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006113240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006123240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006133240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006143240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006153240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.006163240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00773240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00783240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00793240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007103240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007113240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007123240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007133240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007143240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007153240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.007163240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

5 Days

10.01~20.00883240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00893240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008103240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008113240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008123240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008133240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

5 Days

10.01~20.008143240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008153240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.008163240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.00993240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009103240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009113240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009123240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009133240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009143240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009153240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.009163240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

5 Days

10.01~20.0010103240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.0010113240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.0010123240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.0010133240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

5 Days

10.01~20.0010143240No Backlash / Low Moment of Inertia4.50.00713744.5
1 Piece(s)

21 Days

10.01~20.0010153240No Backlash / Low Moment of Inertia4.50.00713744.5

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Basic Information

Type Bellows Type Max. Rotational Speed Range(r/min) 4001~10000 Body Material Aluminum
Max. Rotational Speed(r/min) 10000 Allowable Angular Misalignment(deg) 1 Allowable Lateral Misalignment Range(mm) 0.02~0.2
Allowable Lateral Misalignment(mm) 0.2 Operating Temperature Range(℃) -12::212

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