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Analysis of the meaning of the suffix of the angular touch ball bearing in SKF bearing
Source: China Bearing Network Time: 2013-10-31
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A: The touch angle is 30 degrees AC: the touch angle is 25 degrees B: the touch angle is 40 degrees CA: universal distribution bearing; in back-to-back or face-facing equipment; axial clearance is smaller than the general group (CB)
CB: universal matching bearing; in back-to-back or face-facing equipment; axial clearance is general group CC: universal matching bearing; in back-to-back or facing equipment; axial clearance is larger than general group (CB)
DB: Two bearings DF paired back-to-back: two bearing pairs facing the face DT: two bearings paired in series E: optimized internal depiction F: machined steel holder GA: universal matched bearing; back to back Or light-tightening with face-to-face equipment GB: universal matching bearing; pre-tightening GC in back-to-back or face-facing equipment: universal matching bearing; heavy preloading in back-to-back or face-facing equipment J: stamping Steel adheres to the frame; steel ball guides M: machined brass to adhere to the frame; steel ball guide; different depiction after the M plus digital identification; such as M1
N1: outer ring with a positioning groove N2: outer ring with two positioning grooves; 180 degrees to each other P: injection molded glass fiber reinforced nylon 6; 6 support frame; steel ball guide P5: scale accuracy and rotation accuracy meet ISO public service level 5
P6: Scale accuracy and rotation accuracy meet ISO public service level 6
W64: Bearing Y with solid oil injection: window stamping brass holder; steel ball guide.
2. The meaning of the suffix of the double row angular touch ball bearing in SKF bearing is as follows:
A: no ball gap CB: specific axial clearance C2: axial clearance is smaller than the general group C3: axial clearance is larger than the general group D: split inner ring HT51: high temperature grease; temperature scale is -30 to +175 degrees J1: stamped steel adhere to the frame; steel ball guide M: machined brass holder; steel ball guide MA: machined brass holder; outer ring guide MT33: lithium grease; temperature scale -30 to + 120 degrees N: outer ring with stop groove NR: outer ring with stop groove and stop ring P5: scale accuracy and rotation accuracy meet ISO public service level 5
P6: Scale accuracy and rotation accuracy meet ISO public service level 6
P62: P6+C2
P63: P6+C3
TN9: card type glass fiber reinforced nylon 6; 6 support frame; steel ball guide 2RS1: nitrile rubber seal ring with steel skeleton on both sides 2Z: stamped steel dust cover on both sides 3, four-point touch ball bearing in SKF bearing The suffixes are as follows:
B20: narrowed width of public service C2: axial clearance is less than general grade C2H: axial clearance is the upper half of the C2 group clearance scale. Some C2L: axial clearance is the lower half of the C2 group clearance scale. : Axial clearance is greater than general group C4: axial clearance is greater than C3
CNL: The axial clearance is the lower half of the general group clearance. Some FA: machine-cut steel holder; outer ring guide MA: machined brass holder; outer ring guide N2: outer ring with two 180 degrees Positioning groove PHA: injection molded polyether ketone (PEEK) adhere to the frame; outer ring guide P6: scale accuracy and rotation accuracy meet ISO public service level 6
P63: P6+C3
P64: P6+C4
S1: special heat treatment; the bearing ring is below the +200 degree and the scale is stable 344524: C2H+CNL
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