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Major groove ball 6019


16th October 2017 Bearing products 0 Comments

Bearing material and hardness: The bearing ring is made of Gcr15 or Gcr15SiMn steel. While making of Gcr15 steel, the collar hardness number should be HRC61 65, the hardness number of the steel ball is HRC62 66; While making of Gcr15SiMn steel, the collar hardness number is HRC60 64, the hardness number of the steel ball is HRC60 66; Hardness inspection method and the homogeneity of the same part hardness, according to JB/T 1255-2001 regulations.

The precision of the bearing is achievable: P0, P6, P5 (DIN standard) ; Or ABEC-1, ABEC-3, ABEC-5 (ANSI standard)

Can control the backlash: C2, C0, C3, C4, C5 or CM

Vibration and noise value: Measure with SO910-1 instrument, the bearing can be divided into Z1, Z2, Z3 and Z4 grade; Measure with BVT instrument, the bearing can be divided into V1, V2, V3 and V4 grade.

The dust cap of the open system, the sealed cycle sum is lubricated: The bearing can be divided into an open system, the lateral dust cap, two-sided dust cap, the two-sided seal ring products of cycle sum of single face seal. The two-sided hermetic products, before being dispatched from the factory, note lipoprotein of all products. If the bearing will work under the special condition, the customer must mark out oil brand and trade mark in the order.










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