Bellow couplings / hub clamping / bellows: stainless steel / body: aluminium, steel / BKL / R+W ANTRIEBSELEMENTE

Bellow couplings / hub clamping / bellows: stainless steel / body: aluminium, steel / BKL / R+W ANTRIEBSELEMENTE

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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:
up to series 80 – aluminum, optionally steel
from series 150 – steel

Temperatur range
· -30 °C to +100 °C (-22 °F to +212 °F)

Features
· Easy to mount
· Light weight and low moment of inertia

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.

BKL/30/[10-32/1]/[10-32/1]

BKL with Clamping Hub 2 - 500 Nm

Product Properties

Features

• easy to mount
• light weight and low moment of inertia

Material

• Bellows: high grade stainless steel
• Hubs: see table

Design

Two clamping hubs concentrically mounted to flexible bellows.
Brief overloads of up to 1.5x the rated torque are acceptable.

Optional

self-opening clamp system to open the bore during installation and removal by backing out the clamping screw.

Drawing

Specification

SIZE24.51015306080150300500
Rated torque(Nm)TKN24.51015306080150300500
Overall length(mm)A-23040445868799292109114
Outside diameter(mm)B2532404956668282110123
Fit length(mm)C10131321.5262832.532.54142.5
Inside diameter possible from Ø to Ø H7(mm)D1/24-12.76-166-248-2810-3214-3516-4219-4224-6035-62
Fastening screw ISO 4762 EM3M4M4M5M6M8M10M10M12M16
Tightening torque of the fastening screw(Nm)2.344.5815407085120200
Distance between centerlines(mm)F8111417202327273941
Distance(mm)G4556.57.59.511111317
Moment of inertia(10-3 kgm2)Jges.0.0020.0070.0160.0650.120.30.751.80.87.53.111.74.9
Hub material  AL
optional steel
AL
optional steel
AL
optional steel
AL
optional steel
AL
optional steel
AL
optional steel
AL
optional steel
steel
optional AL
steel
optional AL
steel
optional AL
Approximate weight(kg) 0.020.050.060.160.250.40.71.70.753.81.64.92.1
Torsional stiffness(103 Nm/rad)CT1.57923317280141157290
Axial± (mm)Max. values0.511111.52222.5
Lateral± (mm)0.20.20.20.20.20.20.20.20.20.2
Angular± (degree)1111111111
Axial spring stiffness(N/mm)Ca83530305067447711272
Lateral spring stiffness(N/mm)Cr5035032031536667959096029401450

Ordering Example

Ordering ExampleBKL802622.23XX
Model   Special designation only
(e.g. anodized hubs).
Size   
Bore D1 H7   
Bore D2 H7   
For custom features place an XX at the end of the part number and describe the special requirements (e.g. BKL / 80 / 26 / 22.23 / XX; XX=finely balanced for 25,000 rpm)
Part Number
BKL/30/[10-32/1]/[10-32/1]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
Allowable Torque Range
(N•m)
Shaft Bore Dia. (machined) D1
(mm)
Shaft Bore Dia. (machined) D2
(mm)
Outer Dia. A
(mm)
Overall Length W
(mm)
Body Material Allowable Torque
(Nm)
Allowable Axial Clearance (±)
(mm)
Moment of Inertia
(kg・m2)
1 23 Days 20.01 to 50.0010 ~ 3210 ~ 325668Aluminum1510.00012

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Basic information

Type Bellows Type Allowable Lateral Misalignment(mm) 0.2 Allowable Angular Misalignment(deg) 1
Bellows Part Material Stainless Steel

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