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SKF spherical roller bearing model suffix letter meaning

by:JNSN     2022-03-16
Most SKF spherical roller bearing designations are based on a system consisting of the base designation with or without one or more prefixes and/or suffixes (→ Basic bearing designation system). Examples and application options for spherical roller bearings are listed below. Example 24013 CCK30/W33 In the formula, 24013u003dCCu003dK30u003dW33u003dSpherical roller bearing application Select the prefix BS2-.. bearing, determine the model according to the drawing number ZE The basic model of the bearing used for SensorMount (electrically controlled mounting method) is shown in Table 1 Four digits: Drawing number identification suffix - Internal design BC Bearing with roller-guided cast iron cage for wind turbine main shaft CA, CAC has ribs on both sides of the inner ring, with a cage-guided guide ring, machine Milled brass cage CC(J), CJ inner ring without ribs, with a guide ring guided by the cage, two stamped steel cages CCJA, EJA inner ring without ribs, with a guide guided by the outer ring Ring, two stamped steel cages E Optimized internal design for increased load capacity Series 213, 222 and 223: inner ring without ribs and two stamped steel cages. The outer ring has a lubrication groove and three lubrication holes. d ≤ 65 mm: guide ring guided by inner ring d > 65 mm: guide ring guided by cage suffix - external design (seals, retaining grooves, etc.) -CS, -2CS with contact on one or both sides NBR seals-CS2, -2CS2 with contacting FKM seals on one or both sides-CS5, -2CS5 with contacting HNBR seals on one or both sides-RS, -2RS with contacting NBR seals on one or both sides Pieces -RS5, -2RS5 with contacting HNBR on one or both sides Seals K taper bore, taper 1:12K30 taper bore, taper 1:30 suffix - cage design F machined steel cage, inner ring guide FA machined Steel Cage, Outer Ring Guided J Stamped Steel Cage, Inner Ring Guided JA Stamped Steel Cage, Outer Ring Guided MA Machined Brass Cage, Outer Ring Guided Suffix - Material, Heat Treated 235220 Case Hardened Inner Ring, Internal Bore Inner ring suffix with helical groove HA3 case hardening - Accuracy, clearance, preload, silent operation C08 Rotational accuracy according to P5 Tolerance class C083C08 + C3C084C08 + C4C2 Radial internal clearance smaller than common grade C3 Radial internal clearance greater than common grade C4 Radial internal clearance greater than C3C5 Radial internal clearance greater than C4P5 Dimensional and rotational accuracy conforms to P5 Tolerance class P6 Dimensional and rotational accuracy conforms to P6 Tolerance class P62P6 + C2 suffix- bearing set, matching bearing pair (not applicable) suffix- Dimensional Stability (Not Applicable) Suffix - Lubrication GEM9 with SKF LGHB 2 grease 70 100% GLE with SKF LGWM 2 grease 25 45% VT143 with SKF LGEP 2 grease 25 45% VT143B with SKF LGEP 2 grease Filled 45 60% VT143C with SKF LGEP 2 grease filled with 70100% W64 solid oil Three lubrication holes W33X Outer ring with lubrication grooves and six lubrication holes W77 Insert type W33 Lubrication holes W513W26 + W33 suffix - other variants R505 Bearings for railway axle boxes VA405 Bearings for vibration machinery, case hardened stamped steel cage VA406 with VA405 Identical, but with cylindrical inner ring bore with PTFE coating VA991 Bearings suitable for high speed applications VE552 (E) Outer ring with three equally spaced threaded bores on one side to attach lifting equipment. E indicates that the bearing is equipped with eyebolts. VE553(E) is the same as VE552(E), but with threaded holes on both sides VG114 Case-hardened stamped steel cage VQ424 has higher rotational accuracy than C08
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