1280-8M-30, Metric Timing Belt - HTD Acme and Ball Screw Bearing Number = 7220A5TRDULP4 7

Bearing Number = 7220A5TRDULP4 7 = Angular contact series bearing 2 = Dimension series 20 = 100mm bore diameter A5 = 25 Degree contact angle TR = Phenolic cage outer ring guided DU = Set of 2 for universal arrangement L = Light preload P4 = ISO Class 4

M 70 = Medium series bearing USO = Standard double row spindle bearing DB with steel balls / fibre cage 35 = 35mm bore A21 = 21 degree contact angle 0 = Tolerance class inner ring: more accurate than P2 or ABEC 9 0 = Tolerance class inner ring: more accurate than P2 or ABEC 9 M = Medium preload

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open bearing Cage Brass cage Clearance Slightly increased radial clearance Precision class Tolerance class P0/PN2 / ABEC 1 Current insulation No current insulation Bore Cylindrical bore Outer ring Without groove/lubrication holes Design Fixed bearing Operating temperature -30 to +150 °C Net weight 19

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1280-8M-30, Metric Timing Belt - HTD Acme and Ball Screw Bearing Number = 7220A5TRDULP4 71280 8M 30, Metric Timing Belt HTD Product Attributes Manufacturer Product Code 1280 8M 30 Basic Product Description Metric Timing Belt HTD Measurement Metric UOM Each Nominal Length Ln (mm) 1280 Tooth Pitch (mm) 8 Width (mm) 30 Weight (Kg) 0. 207 Variance HTD Section 8M Material Rubber Cord Type Tensile cord glass cord Temperature range 20'c to +100'c