SKF angular contact ball bearing suffix

The suffix for SKF single row angular contact ball bearing has the following meanings:

A: The contact angle is 30 degrees AC: the contact angle is 25 degrees B: the contact angle is 40 degrees CA: general-purpose allocated bearing, the axial clearance is less than that of ordinary group (CB) in back-to-back or face-to-face configuration CB: general-purpose allocated bearing, in back-to-back or face-to-face configuration, the axial clearance is ordinary group CC: general-purpose allocated bearing, in back-to-back or face-to-face configuration, Axial clearance greater than common group (CB) DB: two bearings paired back-to-back DF: two bearings paired face-to-face DT: two bearings paired in Series E: optimized internal design f: machined steel cage GA: common group bearing with light preload in back-to-back or face-to-face configuration GB: common group bearing, In the back-to-back or face-to-face configuration, with middle pre tightening GC: general assembly bearing, in the back-to-back or face-to-face configuration, with heavy pre tightening J: stamping steel cage, steel ball guide M: machined brass cage, steel ball guide, different designs are added with digital marks after M, such as M1, N1: one positioning groove in the outer ring, N2: two positioning grooves in the outer ring, 180 degrees to each other p: injection molded glass fiber reinforced nylon 6, 6 cage, steel ball guide P5: dimensional accuracy and rotation accuracy in accordance with ISO tolerance class 5 P6: dimensional accuracy and rotation accuracy in accordance with ISO tolerance class 6 w64: bearing filled with solid oil Y: window stamped brass cage, steel ball guide.

2. The suffix for SKF double row angular contact ball bearing has the following meanings:

A: No ball loading gap CB: specific axial clearance C2: axial clearance less than ordinary group C3: axial clearance greater than ordinary group D: split inner ring ht51: high temperature grease, temperature range - 30 to + 175 degrees J1: stamped steel cage, steel ball guide M: machined brass cage, steel ball guide Ma: machined brass cage, outer ring guide mt33: lithium base grease, Temperature range - 30 to + 120 degrees N: outer ring with stop groove NR: outer ring with stop groove and stop ring P5: dimensional accuracy and rotation accuracy in accordance with ISO tolerance class 5 P6: dimensional accuracy and rotation accuracy in accordance with ISO tolerance class 6 p62: P6 + C2 p63: P6 + C3 tn9: card type glass fiber reinforced nylon 6, 6 cage, Steel ball guide 2rs1: nitrile rubber sealing ring with steel frame on both sides 2Z: stamped steel dust cover on both sides

3. The suffix for SKF four point contact ball bearing has the following meanings:

B20: narrowed width tolerance C2: the axial clearance is less than the ordinary level C2H: the axial clearance is the upper half of the clearance range of group C2 c2l: the axial clearance is the lower half of the clearance range of group C2 C3: the axial clearance is greater than the ordinary group C4: the axial clearance is greater than C3 CNL: the axial clearance is the lower half of the clearance range of the ordinary group FA: machined steel cage, Outer ring guide Ma: machined brass cage, outer ring guide N2: outer ring with two positioning grooves forming 180 degrees with each other, PHA: injection molded polyether ketone (PEEK) cage, outer ring guide P6: dimensional accuracy and rotation accuracy meet ISO tolerance grade 6 p63: P6 + C3, p64: P6 + C4 S1: special heat treatment, bearing ring maintains dimensional stability below + 200 degrees