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  • 689-ZZ Mini Ball Bearing 9x17x5 Shielded MR689-ZZ

    ID 9mm x OD 17mm x W 5mm
    25 days
    258 PCS
    Buy in Bulk & Save!:
    Qty 10+ 30+ 50+
    Price: $3.75 $3.56 $3.16

    689-ZZ bearing is Precision Radial Miniature Ball Bearing Both Sides Metal Shielded and pre-lubricated with Grease

    Sizes: ID 9mm x OD 17mm x W 5mm

    Match #: L-1790ZZ, MR689-ZZ, R-1790ZZ, 689.2Z1, 689Z, 689.2ZR

    Used in: DC Motors, 3D Printers, Fidget Spinner, Roller Blades, Skateboard, Inline Skating, Fan, Blower, Power Tools, Bend Saw, Hand Piece, Hobby, RC Helicopters, RC Planes, RC Trucks, RC Cars, Beam Ball Bearing and many more.

    ball bearing catalog

    The 689-ZZ is a 9mm ball bearing that is found in many applications. The 689-ZZ ball bearing has two non-contact metal shields one on each side of the ball bearing. If your application requires a 689Z ball bearing with only one shield you can get this ball bearing and take one of the shields off. This 9mm ball bearing 689ZZ is high quality and can take electric motor demands if needed.

    Rolling bearings use rolling elements to maintain the separation between moving parts to reduce rotational friction and support radial and axial loads. These elements can be one of the following types: ball, cylindrical, spherical, barrel, needle, spindle, or tapered. All rolling bearings are open, shielded, or sealed. Sealed bearings are lubricated with oil or grease in the bearing factory, while open and shielded bearings are meant to be lubricated in place, with periodic reapplication of lubrication, based on use. The shield protects the working parts of the bearing from environmental debris that may be introduced and could reduce the ball bearing speed and lifespan. Rolling bearings are used in a range of applications from agricultural machinery to conveying equipment, robotics, dental equipment, elevators, rolling mills, ship rudder shafts, and aggregate crushers, among others

    ID 9mm x OD 17mm x W 5mm
    Chrome Steel SAE-52100
    Chevron SRI-2
    L-1790ZZ, MR689-ZZ, R-1790ZZ, 689.2Z, 689Z

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