FAG spindle bearing suffix code naming rules

All FAG super-precision bearings for machine tool spindles have the same code. In addition to the bearing type, the markings on the bearing also contain the following important information: • Hole diameter tolerances for inner and outer rings • Bearing width • Assembly direction, marked on the outer surface of the outer ring The above information helps the installation engineer to realize the shaft and bearing Seat and bearing with the exact match. To ensure the best performance of the bearing, in addition these code information help reduce inventory management costs. A detailed explanation of the bearing code can be found on the next two pages (spindle bearing) nomenclature. The direction of the contact angle of the contact angle on the single row bearing is marked on the outer surface of the bearing outer ring by an arrow. The open end of the arrow faces the end of the outer ring that has the ribs.
  The paired bearing designation and name matching bearing consist of a bearing that matches the inside diameter and outside diameter. The first letter represents the number of matching bearings. D 2 bearing sets - Double T 3 bearing sets - Triple Q 4 Bearing sets - The order of the bearings in the four-set ready-to-use paired bearing set is fixed. The second (or third) letter indicates the bearing arrangement within the bearing set: B Back-to-back arrangement F Face-to-face arrangement T Tandem arrangement BT 2 or 3 bearings Parallel arrangement with another bearing Re-formed back to back arrangement FT 2 or The arrangement of three bearings arranged in series with the other bearing and then face to face The overall mounting direction of the ready-to-install bearing is indicated by the large arrows hitting the entire bearing set, the bearings being arranged according to the direction of the arrow. The second letter in the name of the Universal Pair Bearing is U. The bearings of the universal bearing assembly can be arranged arbitrarily without any loss of performance. Therefore, the single bearing outer ring of the universal matching bearing does not require installation marks, and is only marked with the contact angle direction.
  Examples: B 70 08-C -T-P4S-UL* HSS 70 08-C-T-P4S-UL HCB 70 08-C DLR-T-P4S-UL B 70 08-C-2RSD-T-P4S-UL B 70 08-C -T-P4S-UL-L075
  FAG Spindle Bearing Suffix Code Bearing Type: B Standard Steel Ball HCB Hybrid Standard Ceramic Ball XCB X-Life Ultra-Long Life Standard Ceramic Ball HS High Speed ​​Bearing Ball HSS High Speed ​​Bearing Ball, Seal HC High Speed ​​Bearing Ceramic Ball HCS High Speed ​​Bearing Ceramic Ball, Sealed XC X-Life Ultra-Long-Life Standard High-Speed ​​Bearing Ceramic Ball XCS X-Life Ultra-Long-Life Standard High Speed ​​Bearing Ceramic Ball, Sealed
  Dimension Series: 718 Ultra Light Series 719 Light Load Series 70 Medium Load Series 72 Heavy Duty Series ID Code 6 6 mm 7 7 mm 8 8 mm 9 9 mm 00 10 mm 01 12 mm 02 15 mm 03 17 mm 04 4 · 5 = 20 mm 05 5 · 5 = 25 mm
  Contact angle: C 15° E 25°
  External form: Direct lubrication - CDLR Direct radial lubrication hole and integrated O-ring contact angle 15° -EDLR Integrated O-ring contact angle 25°
  Sealing: -2RSD sealed on both sides and filled with grease, sealed design in the bearing table with (•) indicates the manufacturer to fill grease L075 FAG grease Arcanol L075 for unsealed bearings. Bearings sealed at both ends are filled with L075 grease and can be lubricated for life.
  Preload: L Light Preload M Preload H Heavy Preload
  Bearing arrangement: U single bearing universal configuration DU a set of two universal bearings TU a set of three universal bearings QU a set of four universal bearings PU a set of five universal bearings DB a set of two bearings back to back layout DF Two sets of bearings face to face arrangement DT One set of two bearings arranged in series TBT A set of three bearings in series - O arrangement QBC A set of four bearings in series - O - tandem arrangement
  Accuracy: P4S FAG standard accuracy with reference to DIN620, higher than P4 rating P4S-K5 accuracy with P4S rating, and inner and outer diameters are in average group
  Cage: T plastic fiber cage, outer ring guide TX plastic fiber cage, outer ring guide TPA plastic fiber cage, outer ring guide, B718 series outer ring guide * can negotiate special design. You can find more information in the "Custom Solutions" section.