| Part number (SKU) | 61577630 |
| Material | Steel |
| Type | COM-B QPQ |
| Design (shape) | With flange, mechanical |
| Self-centering | Yes |
| Surface | QPQ-coated |
| Inner diameter [d] | 30 [mm] |
| Outer diameter [D] | 41 [mm] |
| Length [L] | 45 [mm] |
| Transmissible torque [T] | 500 [Nm] |
| Admissible axial force [Fax] | 32 [kN] |
| shaft surface pressure [PW] | 133 [N/mm2] |
| hub surface pressure [PN ] | 95 [N/mm2] |
| Bolts 12.9 (No. x Size) | 6 x M6 x 18 |
| Tightening torque fastening screws [TA] | 17 [Nm] |
| Weight | 0.43 [kg] |
If you need a rework or a custom-made-product please contact us directly with your inquiry.
The supplied 3D models, pictures and technical drawings are made with reasonable care.Nevertheless liability is excluded for the accuracy and correctness of this data.
| Weight | 0.43 kg |
|---|---|
| Dimensions | 65 × 65 × 60 cm |
| Material | |
| Type | |
| Design (shape) | |
| Self-centering | |
| Surface | |
| Inner diameter | |
| Outer diameter | |
| Length | |
| Transmissible torque | |
| Admissible axial force | |
| shaft surface pressure | |
| hub surface pressure | |
| Bolts 12.9 (No. x Size) | |
| Weight |
Questions and answers
When will this part ship?
The stock status is shown next to the price. In stock parts ship from Bradenton, Florida, the same business day for orders placed before 2:00 p.m. Eastern. Backorder parts usually ship within 1–2 weeks.
What does shipping cost?
Shipping is calculated at checkout based on weight and destination. We ship with UPS and FedEx, and heavy orders ship by LTL freight. You can also ship on your own UPS or FedEx account for a $10 handling fee.
Can this part be bored or keyed to fit my shaft?
For most gears, sprockets, pulleys and couplings, yes. We can bore to your size and tolerance, cut a DIN 6885 keyway and add set-screw threads. We also offer expedited rework services for many parts. Email us the exact size needed and we will quote it.
Is there a better price for larger quantities?
Yes. The quantity prices are listed above. For more than the largest listed quantity, or for a custom version, ask for a quote.
Where are the CAD model and the catalogue page?
Under the Description tab you will find the link to free 2D and 3D CAD models and the catalogue page as a PDF.
Do you have this part in another size, material or in inches?
Often, yes. Use the filters on the category page, or send us your requirements and we will find the closest part or quote a custom one.
Can I return this part?
Unused standard parts can be returned within 30 days with an RMA number from returns@maedlernorthamerica.com; a 15% restocking fee applies. Custom-made parts or belts/chains that were cut to size cannot be returned. See our Return Policy.
More answers on our FAQ page. Questions about this part? Email us or call 941.803.0160.
Locking assembly COM-B bore 30mm size 30-41 QPQ-coated PN: 61577630
Material: Steel, QPQ coated. High corrosion resistance,improved
fatigue strength, primarily food safe.
Self-centering clamping bush for small hub diametres. For medium
torques. Self-Locking.
Fit: Shaft h8. Hub H8. Surface roughness Rz
max. 12.5 µm.
Mounting: Slightly oil the clamping set before mounting, do not
use molibdenum disulphide or grease. Tighten the screws evenly and
crosswise in several steps.
Demounting: Remove all tensioning screws and screw them into the
(usually unused) forcing thread of the front flange until the flange is
released.
Ts – Fastening Torque
T – Transmittable Torque
F – Transmittable Axial Force
P – Surface Pressure onto Hub
$33.19
Availability: 3 in stock (backorders ship within 1-2 weeks)
| Quantity | Discount (%) | Price |
|---|---|---|
| 1 - 4 | — | $33.19 |
| 5 - 9 | 4.64% | $31.65 |
| 10 - 24 | 11.42% | $29.40 |
| 25 - 49 | 18.35% | $27.10 |
| 50 - 99 | 22.99% | $25.56 |
| 100 - 249 | 27.51% | $24.06 |
| 250 - 499 | 32.06% | $22.55 |
| 500+ | 36.73% | $21.00 |
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| Product | Part number (SKU) | Material | Type | Design (shape) | Self-centering | Surface | Inner diameter [d] | Outer diameter [D] | Length [L] | Transmissible torque [T] | Admissible axial force [Fax] | shaft surface pressure [PW] | hub surface pressure [PN ] | Bolts 12.9 (No. x Size) | Tightening torque fastening screws [TA] | Weight | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Locking assembly COM-B bore 6mm size 6-14 QPQ-coated PN: 61577606 | 61577606 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 6 [mm] | 14 [mm] | 21 [mm] | 12 [Nm] | 4 [kN] | 185 [N/mm2] | 80 [N/mm2] | 3 x M3 x 10 | 2 [Nm] | 0.05 [kg] | $23.13 |
| Locking assembly COM-B bore 7mm size 7-15 QPQ-coated PN: 61577607 | 61577607 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 7 [mm] | 15 [mm] | 25 [mm] | 24 [Nm] | 7 [kN] | 223 [N/mm2] | 111 [N/mm2] | 3 x M4 x 12 | 5 [Nm] | 0.07 [kg] | $23.36 |
| Locking assembly COM-B bore 8mm size 8-15 QPQ-coated PN: 61577608 | 61577608 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 8 [mm] | 15 [mm] | 25 [mm] | 29 [Nm] | 7 [kN] | 207 [N/mm2] | 111 [N/mm2] | 3 x M4 x 12 | 5 [Nm] | 0.07 [kg] | $23.36 |
| Locking assembly COM-B bore 9mm size 9-16 QPQ-coated PN: 61577609 | 61577609 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 9 [mm] | 16 [mm] | 26 [mm] | 42 [Nm] | 10 [kN] | 197 [N/mm2] | 110 [N/mm2] | 4 x M4 x 12 | 5 [Nm] | 0.07 [kg] | $24.15 |
| Locking assembly COM-B bore 10mm size 10-16 QPQ-coated PN: 61577610 | 61577610 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 10 [mm] | 16 [mm] | 26 [mm] | 48 [Nm] | 10 [kN] | 179 [N/mm2] | 112 [N/mm2] | 4 x M4 x 12 | 5 [Nm] | 0.07 [kg] | $24.23 |
| Locking assembly COM-B bore 11mm size 11-18 QPQ-coated PN: 61577611 | 61577611 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 11 [mm] | 18 [mm] | 26 [mm] | 51 [Nm] | 10 [kN] | 165 [N/mm2] | 102 [N/mm2] | 4 x M4 x 12 | 5 [Nm] | 0.07 [kg] | $25.27 |
| Locking assembly COM-B bore 12mm size 12-18 QPQ-coated PN: 61577612 | 61577612 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 12 [mm] | 18 [mm] | 26 [mm] | 55 [Nm] | 10 [kN] | 152 [N/mm2] | 100 [N/mm2] | 4 x M4 x 12 | 5 [Nm] | 0.08 [kg] | $25.35 |
| Locking assembly COM-B bore 14mm size 14-23 QPQ-coated PN: 61577614 | 61577614 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 14 [mm] | 23 [mm] | 26 [mm] | 68 [Nm] | 10 [kN] | 130 [N/mm2] | 80 [N/mm2] | 4 x M4 x 12 | 5 [Nm] | 0.11 [kg] | $23.56 |
| Locking assembly COM-B bore 15mm size 15-24 QPQ-coated PN: 61577615 | 61577615 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 15 [mm] | 24 [mm] | 36 [mm] | 133 [Nm] | 18 [kN] | 194 [N/mm2] | 121 [N/mm2] | 3 x M6 x 18 | 17 [Nm] | 0.22 [kg] | $24.13 |
| Locking assembly COM-B bore 16mm size 16-24 QPQ-coated PN: 61577616 | 61577616 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 16 [mm] | 24 [mm] | 36 [mm] | 140 [Nm] | 18 [kN] | 180 [N/mm2] | 118 [N/mm2] | 3 x M6 x 18 | 17 [Nm] | 0.22 [kg] | $25.50 |
| Locking assembly COM-B bore 17mm size 17-26 QPQ-coated PN: 61577617 | 61577617 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 17 [mm] | 26 [mm] | 38 [mm] | 180 [Nm] | 22 [kN] | 190 [N/mm2] | 125 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.25 [kg] | $26.78 |
| Locking assembly COM-B bore 18mm size 18-26 QPQ-coated PN: 61577618 | 61577618 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 18 [mm] | 26 [mm] | 38 [mm] | 200 [Nm] | 22 [kN] | 180 [N/mm2] | 125 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.23 [kg] | $26.74 |
| Locking assembly COM-B bore 19mm size 19-27 QPQ-coated PN: 61577619 | 61577619 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 19 [mm] | 27 [mm] | 38 [mm] | 210 [Nm] | 22 [kN] | 172 [N/mm2] | 121 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.25 [kg] | $27.26 |
| Locking assembly COM-B bore 20mm size 20-28 QPQ-coated PN: 61577620 | 61577620 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 20 [mm] | 28 [mm] | 38 [mm] | 220 [Nm] | 22 [kN] | 160 [N/mm2] | 115 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.26 [kg] | $27.73 |
| Locking assembly COM-B bore 22mm size 22-32 QPQ-coated PN: 61577622 | 61577622 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 22 [mm] | 32 [mm] | 45 [mm] | 250 [Nm] | 22 [kN] | 113 [N/mm2] | 78 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.35 [kg] | $29.39 |
| Locking assembly COM-B bore 24mm size 24-34 QPQ-coated PN: 61577624 | 61577624 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 24 [mm] | 34 [mm] | 45 [mm] | 270 [Nm] | 22 [kN] | 106 [N/mm2] | 76 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.36 [kg] | $30.36 |
| Locking assembly COM-B bore 25mm size 25-34 QPQ-coated PN: 61577625 | 61577625 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 25 [mm] | 34 [mm] | 45 [mm] | 280 [Nm] | 22 [kN] | 101 [N/mm2] | 76 [N/mm2] | 4 x M6 x 18 | 17 [Nm] | 0.34 [kg] | $30.54 |
| Locking assembly COM-B bore 28mm size 28-39 QPQ-coated PN: 61577628 | 61577628 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 28 [mm] | 39 [mm] | 45 [mm] | 450 [Nm] | 32 [kN] | 130 [N/mm2] | 93 [N/mm2] | 6 x M6 x 18 | 17 [Nm] | 0.42 [kg] | $32.45 |
| Locking assembly COM-B bore 30mm size 30-41 QPQ-coated PN: 61577630 | 61577630 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 30 [mm] | 41 [mm] | 45 [mm] | 500 [Nm] | 32 [kN] | 133 [N/mm2] | 95 [N/mm2] | 6 x M6 x 18 | 17 [Nm] | 0.43 [kg] | $33.19 |
| Locking assembly COM-B bore 32mm size 32-43 QPQ-coated PN: 61577632 | 61577632 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 32 [mm] | 43 [mm] | 45 [mm] | 540 [Nm] | 35 [kN] | 115 [N/mm2] | 86 [N/mm2] | 6 x M6 x 18 | 17 [Nm] | 0.49 [kg] | $34.35 |
| Locking assembly COM-B bore 35mm size 35-47 QPQ-coated PN: 61577635 | 61577635 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 35 [mm] | 47 [mm] | 52 [mm] | 800 [Nm] | 44 [kN] | 106 [N/mm2] | 81 [N/mm2] | 8 x M6 x 18 | 17 [Nm] | 0.55 [kg] | $37.94 |
| Locking assembly COM-B bore 40mm size 40-53 QPQ-coated PN: 61577640 | 61577640 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 40 [mm] | 53 [mm] | 52 [mm] | 900 [Nm] | 45 [kN] | 92 [N/mm2] | 68 [N/mm2] | 8 x M6 x 18 | 17 [Nm] | 0.64 [kg] | $42.99 |
| Locking assembly COM-B bore 45mm size 45-59 QPQ-coated PN: 61577645 | 61577645 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 45 [mm] | 59 [mm] | 70 [mm] | 1800 [Nm] | 80 [kN] | 105 [N/mm2] | 81 [N/mm2] | 8 x M8 x 22 | 41 [Nm] | 1.05 [kg] | $58.21 |
| Locking assembly COM-B bore 50mm size 50-65 QPQ-coated PN: 61577650 | 61577650 | Steel | COM-B QPQ | With flange, mechanical | Yes | QPQ-coated | 50 [mm] | 65 [mm] | 70 [mm] | 2020 [Nm] | 81 [kN] | 96 [N/mm2] | 72 [N/mm2] | 8 x M8 x 22 | 41 [Nm] | 1.26 [kg] | $65.95 |