| Part number (SKU) | 61557828 |
| Material | Steel |
| Type | COM-CB3 |
| Design (shape) | With flange, mechanical |
| Self-centering | Yes |
| Surface | Blank |
| Inner diameter [d] | 28 [mm] |
| Row | Medium |
| Outer diameter [D] | 65 [mm] |
| Length [L] | 30 [mm] |
| Transmissible torque [T] | 610 [Nm] |
| Admissible axial force [Fax] | 40 [kN] |
| shaft surface pressure [PW] | 248 [N/mm2] |
| hub surface pressure [PN ] | 107 [N/mm2] |
| Bolts 12.9 (No. x Size) | 5 x M8 |
| Tightening torque fastening screws [TA] | 35 [Nm] |
| Weight | 0.59 [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 | 0.59 kg |
|---|---|
| Dimensions | 65 × 65 × 30 cm |
| Material | |
| Type | |
| Design (shape) | |
| Self-centering | |
| Surface | |
| Inner diameter | |
| Row | |
| 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-CB3 medium series bore 28mm size 28x65x30mm PN: 61557828
Material: Steel.
- For fixing a hub (e.g. drive wheel, rotor or similar) on a shaft.
- 3 Ranges of sizes, for middle, higher and very high torques.
- Self-centering.
- Self-locking.
- No axial offset during mounting.
Fit: Shaft h8, Hub H8. Surface roughness hub/shaft Rz max. 12,5 µm.
$28.27
Availability: 2 in stock (backorders ship within 1-2 weeks)
| Quantity | Discount (%) | Price |
|---|---|---|
| 1 - 4 | — | $28.27 |
| 5 - 9 | 4.42% | $27.02 |
| 10 - 24 | 11.07% | $25.14 |
| 25 - 49 | 17.79% | $23.24 |
| 50 - 99 | 22.14% | $22.01 |
| 100 - 249 | 26.57% | $20.76 |
| 250 - 499 | 28.76% | $20.14 |
| 500+ | 29.89% | $19.82 |
| Product | Part number (SKU) | Material | Type | Design (shape) | Self-centering | Surface | Inner diameter [d] | Row | 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-CB3 light series bore 14mm size 14x55x30mm PN: 61557714 | 61557714 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 14 [mm] | Light | 55 [mm] | 30 [mm] | 120 [Nm] | 17 [kN] | 207 [N/mm2] | 56 [N/mm2] | 3 x M8 | 25 [Nm] | 0.49 [kg] | $19.93 |
| Locking assembly COM-CB3A light series bore 14mm size 14x55x30mm 4 mounting screws PN: 61557714A | 61557714A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $21.45 |
| Locking assembly COM-CB3 light series bore 16mm size 16x55x30mm PN: 61557716 | 61557716 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 16 [mm] | Light | 55 [mm] | 30 [mm] | 136 [Nm] | 18 [kN] | 175 [N/mm2] | 53 [N/mm2] | 3 x M8 | 25 [Nm] | 0.48 [kg] | $19.93 |
| Locking assembly COM-CB3A light series bore 16mm size 16x55x30mm 4 mounting screws PN: 61557716A | 61557716A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $21.40 |
| Locking assembly COM-CB3 light series bore 18mm size 18x55x30mm PN: 61557718 | 61557718 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 18 [mm] | Light | 55 [mm] | 30 [mm] | 150 [Nm] | 18 [kN] | 163 [N/mm2] | 56 [N/mm2] | 3 x M8 | 25 [Nm] | 0.47 [kg] | $19.49 |
| Locking assembly COM-CB3A light series bore 18mm size 18x55x30mm 4 mounting screws PN: 61557718A | 61557718A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $21.02 |
| Locking assembly COM-CB3 light series bore 19mm size 19x55x30mm PN: 61557719 | 61557719 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 19 [mm] | Light | 55 [mm] | 30 [mm] | 170 [Nm] | 19 [kN] | 158 [N/mm2] | 58 [N/mm2] | 3 x M8 | 25 [Nm] | 0.47 [kg] | $19.49 |
| Locking assembly COM-CB3A light series bore 19mm size 19x55x30mm 4 mounting screws PN: 61557719A | 61557719A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.70 |
| Locking assembly COM-CB3 light series bore 20mm size 20x55x30mm PN: 61557720 | 61557720 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 20 [mm] | Light | 55 [mm] | 30 [mm] | 160 [Nm] | 17 [kN] | 141 [N/mm2] | 53 [N/mm2] | 3 x M8 | 25 [Nm] | 0.46 [kg] | $19.54 |
| Locking assembly COM-CB3A light series bore 20mm size 20x55x30mm 4 mounting screws PN: 61557720A | 61557720A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.48 |
| Locking assembly COM-CB3 light series bore 22mm size 22x55x30mm PN: 61557722 | 61557722 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 22 [mm] | Light | 55 [mm] | 30 [mm] | 290 [Nm] | 26 [kN] | 189 [N/mm2] | 77 [N/mm2] | 3 x M8 | 35 [Nm] | 0.45 [kg] | $19.56 |
| Locking assembly COM-CB3A light series bore 22mm size 22x55x30mm 4 mounting screws PN: 61557722A | 61557722A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.47 |
| Locking assembly COM-CB3 light series bore 24mm size 24x55x30mm PN: 61557724 | 61557724 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 24 [mm] | Light | 55 [mm] | 30 [mm] | 290 [Nm] | 24 [kN] | 165 [N/mm2] | 73 [N/mm2] | 3 x M8 | 35 [Nm] | 0.43 [kg] | $20.18 |
| Locking assembly COM-CB3A light series bore 24mm size 24x55x30mm 4 mounting screws PN: 61557724A | 61557724A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.67 |
| Locking assembly COM-CB3 light series bore 25mm size 25x55x30mm PN: 61557725 | 61557725 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 25 [mm] | Light | 55 [mm] | 30 [mm] | 300 [Nm] | 24 [kN] | 160 [N/mm2] | 73 [N/mm2] | 3 x M8 | 35 [Nm] | 0.42 [kg] | $20.20 |
| Locking assembly COM-CB3A light series bore 25mm size 25x55x30mm 4 mounting screws PN: 61557725A | 61557725A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.68 |
| Locking assembly COM-CB3 light series bore 28mm size 28x55x30mm PN: 61557728 | 61557728 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 28 [mm] | Light | 55 [mm] | 30 [mm] | 430 [Nm] | 31 [kN] | 173 [N/mm2] | 89 [N/mm2] | 3 x M8 | 41 [Nm] | 0.40 [kg] | $20.15 |
| Locking assembly COM-CB3A light series bore 28mm size 28x55x30mm 4 mounting screws PN: 61557728A | 61557728A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.68 |
| Locking assembly COM-CB3 light series bore 30mm size 30x55x30mm PN: 61557730 | 61557730 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 30 [mm] | Light | 55 [mm] | 30 [mm] | 450 [Nm] | 30 [kN] | 158 [N/mm2] | 86 [N/mm2] | 3 x M8 | 41 [Nm] | 0.38 [kg] | $20.15 |
| Locking assembly COM-CB3A light series bore 30mm size 30x55x30mm 4 mounting screws PN: 61557730A | 61557730A | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | – | $20.66 |
| Locking assembly COM-CB3 medium series bore 24mm size 24x65x30mm PN: 61557824 | 61557824 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 24 [mm] | Medium | 65 [mm] | 30 [mm] | 430 [Nm] | 40 [kN] | 237 [N/mm2] | 87 [N/mm2] | 5 x M8 | 30 [Nm] | 0.63 [kg] | $27.44 |
| Locking assembly COM-CB3 medium series bore 25mm size 25x65x30mm PN: 61557825 | 61557825 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 25 [mm] | Medium | 65 [mm] | 30 [mm] | 440 [Nm] | 40 [kN] | 221 [N/mm2] | 86 [N/mm2] | 5 x M8 | 30 [Nm] | 0.62 [kg] | $27.90 |
| Locking assembly COM-CB3 medium series bore 28mm size 28x65x30mm PN: 61557828 | 61557828 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 28 [mm] | Medium | 65 [mm] | 30 [mm] | 610 [Nm] | 40 [kN] | 248 [N/mm2] | 107 [N/mm2] | 5 x M8 | 35 [Nm] | 0.59 [kg] | $28.27 |
| Locking assembly COM-CB3 medium series bore 30mm size 30x65x30mm PN: 61557830 | 61557830 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 30 [mm] | Medium | 65 [mm] | 30 [mm] | 590 [Nm] | 40 [kN] | 222 [N/mm2] | 103 [N/mm2] | 5 x M8 | 35 [Nm] | 0.57 [kg] | $29.67 |
| Locking assembly COM-CB3 medium series bore 32mm size 32x65x30mm PN: 61557832 | 61557832 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 32 [mm] | Medium | 65 [mm] | 30 [mm] | 660 [Nm] | 40 [kN] | 202 [N/mm2] | 100 [N/mm2] | 5 x M8 | 35 [Nm] | 0.56 [kg] | $29.88 |
| Locking assembly COM-CB3 medium series bore 35mm size 35x65x30mm PN: 61557835 | 61557835 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 35 [mm] | Medium | 65 [mm] | 30 [mm] | 950 [Nm] | 50 [kN] | 243 [N/mm2] | 131 [N/mm2] | 5 x M8 | 41 [Nm] | 0.52 [kg] | $29.81 |
| Locking assembly COM-CB3 medium series bore 38mm size 38x65x30mm PN: 61557838 | 61557838 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 38 [mm] | Medium | 65 [mm] | 30 [mm] | 1000 [Nm] | 50 [kN] | 218 [N/mm2] | 127 [N/mm2] | 5 x M8 | 41 [Nm] | 0.49 [kg] | $28.55 |
| Locking assembly COM-CB3 medium series bore 40mm size 40x65x30mm PN: 61557840 | 61557840 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 40 [mm] | Medium | 65 [mm] | 30 [mm] | 1090 [Nm] | 50 [kN] | 213 [N/mm2] | 131 [N/mm2] | 5 x M8 | 41 [Nm] | 0.47 [kg] | $27.68 |
| Locking assembly COM-CB3 heavy series bore 30mm size 30x80x33mm PN: 61557930 | 61557930 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 30 [mm] | Heavy | 80 [mm] | 33 [mm] | 800 [Nm] | 50 [kN] | 239 [N/mm2] | 90 [N/mm2] | 7 x M8 | 30 [Nm] | 1.02 [kg] | $40.54 |
| Locking assembly COM-CB3 heavy series bore 32mm size 32x80x33mm PN: 61557932 | 61557932 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 32 [mm] | Heavy | 80 [mm] | 33 [mm] | 860 [Nm] | 50 [kN] | 226 [N/mm2] | 90 [N/mm2] | 7 x M8 | 30 [Nm] | 1.01 [kg] | $39.93 |
| Locking assembly COM-CB3 heavy series bore 35mm size 35x80x33mm PN: 61557935 | 61557935 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 35 [mm] | Heavy | 80 [mm] | 33 [mm] | 1100 [Nm] | 60 [kN] | 239 [N/mm2] | 105 [N/mm2] | 7 x M8 | 35 [Nm] | 0.98 [kg] | $39.90 |
| Locking assembly COM-CB3 heavy series bore 38mm size 38x80x33mm PN: 61557938 | 61557938 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 38 [mm] | Heavy | 80 [mm] | 33 [mm] | 1200 [Nm] | 60 [kN] | 223 [N/mm2] | 106 [N/mm2] | 7 x M8 | 35 [Nm] | 0.94 [kg] | $39.66 |
| Locking assembly COM-CB3 heavy series bore 40mm size 40x80x33mm PN: 61557940 | 61557940 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 40 [mm] | Heavy | 80 [mm] | 33 [mm] | 1200 [Nm] | 60 [kN] | 203 [N/mm2] | 102 [N/mm2] | 7 x M8 | 35 [Nm] | 0.91 [kg] | $39.89 |
| Locking assembly COM-CB3 heavy series bore 42mm size 42x80x33mm PN: 61557942 | 61557942 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 42 [mm] | Heavy | 80 [mm] | 33 [mm] | 1500 [Nm] | 70 [kN] | 228 [N/mm2] | 120 [N/mm2] | 7 x M8 | 41 [Nm] | 0.88 [kg] | $39.89 |
| Locking assembly COM-CB3 heavy series bore 45mm size 45x80x33mm PN: 61557945 | 61557945 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 45 [mm] | Heavy | 80 [mm] | 33 [mm] | 1600 [Nm] | 70 [kN] | 215 [N/mm2] | 121 [N/mm2] | 7 x M8 | 41 [Nm] | 0.84 [kg] | $39.87 |
| Locking assembly COM-CB3 heavy series bore 48mm size 48x80x33mm PN: 61557948 | 61557948 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 48 [mm] | Heavy | 80 [mm] | 33 [mm] | 1700 [Nm] | 70 [kN] | 197 [N/mm2] | 118 [N/mm2] | 7 x M8 | 41 [Nm] | 0.78 [kg] | $39.90 |
| Locking assembly COM-CB3 heavy series bore 50mm size 50x80x33mm PN: 61557950 | 61557950 | Steel | COM-CB3 | With flange, mechanical | Yes | Blank | 50 [mm] | Heavy | 80 [mm] | 33 [mm] | 1800 [Nm] | 70 [kN] | 195 [N/mm2] | 122 [N/mm2] | 7 x M8 | 41 [Nm] | 0.74 [kg] | $39.88 |