9*8.9 Rollers For Crossed Roller Linear Lead Rail
9*8.9
Outside Diameter:9 mm
Width:8.9 mm
The 9*8.9 bearing is a ultra rollers with an an outer diameter of 9 mm, a width of 8.9 mm. It typically uses ABEC1 ABEC3 ABEC5 ABEC7 ABEC9 grade precision tolerances and together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
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Detailed description
Normal spec:
￠4*2.9 (C0.6*45°)
￠6*5.9 (C1.0*45°)
￠9*8.9 (C1.2*45°)
￠12*11.9 (C1.5*45°)
Main Parameters:
Material:GCR15, SUJ-2, AISI52100
Hardness:HRC60-65 OD Tol:±0.001 ±0.0015 +0/-0.001mm
Height Tol: ±0.01 ±0.03 ±0.05mm
Roughness: Ra0.04um Ra0.08um
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