Aircraft Spruce Australia
Melbourne, VIC Australia
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Pulley Bb-120
MFR Model# BB-120-KP4K
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| PN | Cable | OD | Groove Dia | Hub Dia | Bore Dia | Width | Load Limit |
|---|---|---|---|---|---|---|---|
| BB-120 | 3/16 | 3.000 | 2.375 | -- | .2500 | .484 |
Overview
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N210A & AN210B (MS24566) Anti-Friction Bearing Control Pulley with phenolic body and ball bearing with seal. The AN210A pulleys are dimensionally the same as the B pulleys but have metal-shielded bearings rather than removable composition-seal type bearings. The low allowable design load of the -3A and -3B pulleys-is based on cable fatigue. AN210-1A, AN210-3A, AN210-1B and AN210-3B shall not be installed on frequently used aircraft controls to bend the cable more than 15 degrees from a straight line.
MS20220 (AN220) Flight Control Pulley with phenolic body and ball bearing with seal. Also available with aluminum body (MS20220A). The low allowable load limit of the -1 pulley is based on cable fatigue. When used on frequently used aircraft controls the cable wrap angle should not be more than 15 degrees from a straight line. MS20219 (AN219) Aircraft Secondary Control Pulley with phenolic body and ball bearing with seal. MS20219A (AN219A) Pulley with anodized aluminum body and ball bearing with seal. The aluminum body is recommended for -1 and -3 pulleys. The -1 pulley shall not be installed in flight control systems. NAS383 Series Pulley with phenolic body and graphite impregnated bronze sleeve. This is a low cost pulley widely used in aircraft, winches, cranes and remote mechanical actuation devices. A-223 and A-224 Pulleys with plain phenolic bore are used as guide and secondary control pulleys in production aircraft. BB-128-1 and BB-120-1 Pulleys have high pressure phenolic bodies and ball bearings with Teflon™ seals. Used in Christavia and many other aircraft. |
Reviews
Excellent product, ideal for engines with manual start.
It looks OK.
Good quality! Works well!
Your product is just what I need and will be using in the future It came in a timely matter and was ready to have product for shipment within a couple of days. Thanks YOU
Good stuff
It is what it is, spins free good quality
Very timely and a great product. Thanks.
Perfect parts for our Scout 8GCBC.
This sheave was a perfect replacement for the mast halyard cable system on my 1978 Cascade 27 sailboat. Reasonably priced and shipped quickly. Thank you!
L
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
