4.0*3.9 Bearing Seperator
The 4.0*3.9 bearing is a short rollers with an an outer diameter of 4.0 mm, a width of 3.9 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.
As the ancient capital of the thirteen dynasties,Xi’an attracts many famous entrepreneurs of home and abroad to invest and is also the bridgehead of the western development. We adopt German equipment and technologies to produce various kinds and specification of needle and kinds of roller with materials from bearing steel,its hardness is HRC 60~64 and surface toughness Ra is not exceeding 0.2.
Normal spec:
￠1.0*0.5 ￠1.0*0.8 ￠1.5*1.4
￠2.0*1.9 ￠3.0*2.9 ￠4.0*3.9
￠6.0*5.9 ￠9.0*8.9 ￠12*11.9
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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- 4.0*3.9 bearing seperator
- Normal spec: ￠1.0*0.5 ￠1.0*0.8 ￠1.5*1.4 ￠2.0*1.9
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