IBC


Prefix Suffix Definition
AC-   ATCOATED THIN DENSE CHROME
CB   HYBRID BEARING WITH CERAMIC BALLS (SI3N4)
CBH   HYBRID BEARING WITH SMALL CERAMIC BALLS (SI3N4), HIGH SPEED VERSION WITH ONE SHOULDER AT INNER AND OUTER RING.
CBHD   HYBRID BEARING WITH SMALL CERAMIC BALLS (SI3N4), HIGH SPEED VERSION WITH ONE SHOULDER AT INNER AND OUTER RING.
F   FLANGE ON OUTER RING.
H   HIGH SPEED VERSION WITH ONE SHOULDER AT INNER AND OUTER RING, SMALLER BALLS.
HD   HIGH SPEED VERSION WITH ONE SHOULDER AT INNER AND OUTER RING, SMALLER BALLS.
K   BALL-, ROLLER-, OR NEEDLE CAGE ASSEMBLY
L   SEPERATE RING, SEPERABLE BEARING.
R   INNER OUR OUTER RING WITH ROLLER CAGE ASSEMBLY
RB   BALLS
RC   CYLIBDRICAL ROLLER
RN   NEEDLE ROLLER
S-   STAINLESS STEEL
S-AC-   STAINLESS STEEL, ATCOATED.
T   CASE HARDENED STEEL, CEMENTATION STEEL.
  ....B 15-20% OF FREE SPACE WITHIN THE BEARING GREASED.
  ....C 20 TO 25% OF FREE SPACE WITHIN THE BEARING GREASED.
  ....G IBC GREASE SPECIFICATION
  ....V 70 TO 100% OF FREE SPACE WITHIN THE BEARING GREASED
  ...A 0-5% OF FREE SPACE WITHIN THE BEARING GREASED.
  ...B LOWER TOLERANCE BAND
  ...F 25 TO 30% OF FREE SPACE WITHIN THE BEARING GREASED.
  ...H 50 TO 70% OF FREE SPACE WITHIN THE BEARING GREASED
  ...M MIDDLE PART OF TOLERANCE BAND
  ...M 35-50% OF FREE SPACE WITHIN THE BEARING GREASED
  ...T UPPER TOLERANCE BAND
  2GS THRUST BALL BEARING WITH 2 HOUSING WASHERS
  2RS BEARING FITTED AT BOTH SIDES WITH SYNTHETIC RUBBER SEAL
  2RS1 BEARING FITTED AT BOTH SIDES WITH SYNTHETIC RUBBER SEAL, RADIALLY-AXIALLY TOUCHING
  2RSD BEARING FITTED AT BOTH SIDES WITH SYNTHETIC RUBBER SEAL, NON-TOUCHING
  2RSU BEARING FITTED AT BOTH SIDES WITH SYNTHETIC RUBBER SEAL DOUBLE LIP.
  2VS SEALING BOTH SIDES, RADIALLY TOUCHING, MATERIAL VITON.
  2WS THRUST BEARING WITH TWO SHAFT WASHERS.
  2Z SHIELD FITTED AT BOTH SIDES OF THE BEARING.
  2ZS SHIELD FITTED WITH SPRING RING AT BOTH SIDES.
  A INTERNAL DESIGN CHANGE
  A 30 DEGREE CONTACT ANGLE
  A..-.. AXIAL CLEARANCE MIN-MAX (MICRO METERS)
  A11 ATCOATED INNER AND OUTER RING WITH THIN DENSE CHROME
  A11 ATCOATED INNER AND OUTER RING WITH THIN DENSE CHROME
  A15 ATCOATED INNER AND OUTER RING WITH THIN DENSE CHROME, STAINLESS STEEL ROLLING ELEMENTS AND CAGE.
  A21 ATCOATED INNER RING WITH THIN DENSE CHROME
  A26 ATCOATED INNER RING WITH THIN DENSE CHROME
  B INTERNAL DESIGN CHANGE.
  B 40 DEGREE CONTACT ANGLE
  BE 40 DEGREE CONTACT ANGLE, REINFORCED INNER CONSTRUCTION.
  BT SET OF 5 BEARINGS FOR <<<>> ARRANGEMENT.
  C INTERNAL DESIGN CHANGE
  C INTERNAL DESIGN CHANGE OF DOUBLE ROW RADIAL SPHERICAL ROLLER BEARINGS.
  C 15 DEGREE CONTACT ANGLE
  C..-.. RADIAL INTERNAL CLEARANCE MIN.-/MAX (MICRO METERS)
  C...H RADIAL INTERNAL CLEARANCE IN THE UPPER HALF OF MENTIONED GROUP (EG C2H).
  C..L RADIAL INTERNAL CLEARANCE IN THE LOWER HALF OF MENTIONED GROUP (EG C3L).
  C..M RADIAL INTERNAL CLEARANCE THE TWO MIDDLE QUARTERS OF STATED GROUP (EG C3M).
  C..P RADIAL INTERNAL CLEARANCE OF UPPER HALF OF STATED GROUP AND LOWER HALF OF THE HIGHER GROUP (EG C2P).
  C1 RADIAL INTERNAL CLEARANCE LESS THAN C2
  C2 RADIAL INTERNAL CLEARANCE LESS THAN NORMAL
  C2H RADIAL INTERNAL CLEARANCE IN THE UPPER HALF (GREATER VALUES) OF C2
  C3 RADIAL INTERNAL CLEARANCE GREATER THAN NORMAL.
  C4 RADIAL INTERNAL CLEARANCE GREATER THAN C3
  C5 RADIAL CLEARANCE GREATER THAN C4.
  CA INTERNAL DESIGN CHANGE OF SPHERICAL ROLLER BEARING AND MASSIVE BRASS CAGE.
  CA 15 DEGREE ANGLE, HIGH SPEED VERSION
  CJ INTERNAL DESIGN CHANGE OF SPHERICAL ROLLER BEARING AND STEEL SHEET CAGE.
  CN CHEMICAL NIKEL PLATED.
  CN RADILA INTERNAL CLEARANCE NORMAL.
  D MODIFIED INTERNAL DESIGN.
  D DOUBLE OF LIGHT PRELOAD.
  DB TWO BEARINGS MATCHED FOR ASSEMBLY IN O-ARRANGEMENT (BACK TO BACK).
  DF TWO BEARINGS MATCHED FOR ASSEMBLY IN X-ARRANGEMENT (FACE TO FACE).
  DT TWO BEARINGS MATCHED FOR ASSEMBLY IN TANDEM ARRANGEMENT.
  DU TWO BEARINGS MATCHED FOR UNIVERSAL ASSEMBLY.
  E INTERNAL DESIGN CHANGE.
  E MODIFIED INTERNAL DESIGN FOR CYLINDRICAL ROLLER BEARINGS AND ANGULAR CONTACT BEARINGS.
  E 25 DEGREE CONTACT ANGLE.
  EJP CYLINDRICAL ROLLER BEARING WITH INCREASED CAPACITY AND MODIFIED INTERNAL DESIGN.
  FBQ SET OF 5 BEARINGS FOR <<<<> ARRANGEMENT
  FU SET OF 5 BEARINGS FOR UNIVERSAL MOUNTING.
  G20 BALL ISO GRADE G20
  G28 BALL ISO GRADE G28
  G40 BALL ISO GRADE G40
  G5 BALL ISO GRADE G5
  GA91 BEARLUB GA91 - UNIVERSAL GREASE -70 / +250 DEG C
  GA92 BEARLUB GA92 - UNIVERSAL GREASE -54 / +200 DEG C
  GH60 BEARING LUBE GH60 - HIGH SPEED GREASE -30 TO +175 DEGREES C
  GH62 BEARING LUBE GH62 - HIGH TEMPERATURE GREASE -30 TO +160 DEGREES C
  GH81 BEARING LUBE GH81 - HIGH TEMPERATURE GREASE -40 TO +250 DEGREES C
  GN01 BEARING LUBE GN01 - MULTI-PURPOSE GREASE -30 TO +120 DEGREES C
  GN02 BEARING LUBE GN02 - MULTI-PURPOSE GREASE -30 TO +130 DEGREES C
  GN03 BEARING LUBE GN03 - MULTI-PURPOSE GREASE -30 TO +140 DEGREES C
  GS32 BEARING LUBE GS32 - HIGH SPEED GREASE -55 TO +130 DEGREES C
  GS33 BEARING LUBE GS33 - HIGH SPEED GREASE -50 TO +120 DEGREES C
  GS34 BEARING LUBE GS34 - HIGH SPEED GREASE -40 TO +130 DEGREES C
  GS35 BEARING LUBE GS35 - HIGH SPEED GREASE -40 TO +130 DEGREES C
  GS50 BEARING LUBE GS50 - HIGH SPEED GREASE -55 TO +150 DEGREES C
  H HEAVY PRELOAD
  H 20 DEG CONTACT ANGLE
  J STEEL SHEET CAGE
  JCN STEEL CAGE CHEMICAL NIKEL PLATED
  JH STEEL CAGE (SNAP CAGE)
  JN STEEL CAGE (RIVITED)
  JP WINDOW TYPE STEEL CAGE
  K TAPERED BORE TAPER 1:12
  K... CUSTOMER SPECIFICATION
  K30 TAPERED BORE, TAPER 1:30
  L LIGHT PRELOAD
  L ALUMINIUM CAGE, LOCATED ON ROLLING ELEMENTS
  LA ALUMINIUM CAGE, LOCATED ON OUTER RING
  LB ALUMINIUM CAGE, LOCATED ON INNER RING
  LP ALUMINIUM CAGE, WINDOW-TYPE LOCATED ON ROLLING ELEMENTS
  LPA ALUMINIUM CAGE, WINDOW-TYPE, LOCATED ON OUTER RING
  M MEDIUM PRELOAD
  M MACHINED BRASS CAGE, LOCATED ON ROLLING ELEMENTS
  M1 MACHINED BRASS CAGE, CAGE WEB RIVETED, LOCATED ON ROLLING ELEMENTS
  M1A MACHINED BRASS CAGE, CAGE WEB RIVETED, LOCATED ON OUTER RING
  MA MACHINED BRASS CAGE, LOCATED ON OUTER RING
  MAS MACHINED BRASS CAGE, LOCATED ON OUTER RING, WITH LUBRICATION GROOVE
  MB MACHINED BRASS CAGE, LOCATED ON INNER RING
  MC MACHINED WINDOW TYPE BRASS CAGE, LOCATED ON RING
  MP MACHINED WINDOW TYPE BRASS CAGE, LOCATED ON ROLLING ELEMENTS
  MPA MACHINED WINDOW TYPE BRASS CAGE, LOCATED ON OUTER RING
  MR MACHINED WINDOW TYPE BRASS CAGE, LOCATED ON ROLLING ELEMENTS
  N SNAP RING GROOVE ON OUTER RING OUTSIDE DIAMETER
  NR N-TYPE WITH LOCATING SNAP RING
  O... IBC OIL SPECIFICATION
  OX BEARING PROTECTED WITH PRESERVATION OIL (NOT GREASED) IF NOT FOR STANDARD VERSION
  P2 BEARING WITH VERY HIGH FORM AND RUNNING ACCURACY (HIGHER THAN P4) ACCORDING TO ISO CLASS 2
  P2A TOLERANCE CLASS ABEC 9
  P2H BEARING WITH EXTREME HIGH RUNNING ACCURACY (ABEC 9) AND FORM TOLERANCE (ABEC 7)
  P4 DIMENSIONAL AND RUNNING ACCURACY ACCORDING TO ISO CLASS 4 (MORE ACCURATE THAN P5)
  P4A TOLERANCE CLASS ABEC 7
  P4A2H TOLERANCE CLASS ABEC 7 + RADIAL INTERNAL CLEARANCE C2H
  P5 DIMENSIONAL AND RUNNING ACCURACY ACCORDING TO ISO CLASS 5 (MORE ACCURATE THAN P6)
  P52 ISO CLASS P5 + INTERNAL CLEARANCE C2
  P53 ISO CLASS P5 + INTERNAL CLEARANCE C3
  P6 DIMENSIONAL AND RUNNING ACCURACY ACCORDING TO ISO CLASS 6
  P62 ISO CLASS P6 + INTERNAL CLEARANCE C2
  P63 ISO CLASS P6 + INTERNAL CLEARANCE C3
  PA5 TOLERANCE CLASS ABEC 5
  PA7 TOLERANCE CLASS ABEC 7, NEW P4A
  PA9 TOLERANCE CLASS ABEC 9, NEW P2A
  PU SET OF FOUR BEARINGS FOR UNIVERSAL ASSEMBLY
  QBC SET OF FOUR BEARINGS IN << >> ARRANGEMENT (OLD QB)
  QBT SET OF FOUR BEARINGS IN <<<> ARRANGEMENT
  QF SET OF FOUR BEARINGS IN >><< ARRANGEMENT
  QFT SET OF FOUR BEARINGS IN ><<< ARRANGEMENT
  QG6 BEARING FOR ELECTRICAL MACHINE, NOISE TESTED
  QG63 BEARING FOR ELECTRICAL MACHINE, NOISE TESTED, INTERNAL CLEARANCE C3
  QT SET FORFOUR BEARINGS IN <<<< ARRANGEMENT
  QU FOUR BEARINGS MATCHED FOR UNIVERSAL ASSEMBLY
  RS BEARING FITTED AT ONE SIDE WITH SYNTHETIC RUBBER SEAL
  RS1 BEARING FITTED AT ONE SIDE WITH SYNTHETIC RIBBER SEAL, RADIALLY-AXIALLY TOUCHING
  RSD BEARING FITTED AT ONE SIDE WITH SYNTHETIC RUBBER SEAL, NON-TOUCHING
  RSU BEARING FITTED AT ONE SIDE WITH SYNTHETIC RUBBER SEAL, DOUBLE LIPS
  S0 BEARING INNER AND OUTER RING STABILISED FOR HIGHER OPERATING TEMPERATURES UP TO 150 DEGREES C
  S1 BEARING INNER AND OUTER RING STABILISED FOR HIGHER OPERATING TEMPERATURES UP TO 200 DEGREES C
  S2 BEARING INNER AND OUTER RING STABILISED FOR HIGHER OPERATING TEMPERATURES UP TO 250 DEGREES C
  S3 BEARING INNER AND OUTER RING STABILISED FOR HIGHER OPERATING TEMPERATURES UP TO 300 DEGREES C
  SP ACCURACY CLASS (SUPER PRECISION), RADIAL INTERNAL CLEARANCE C1
  SPC2X ACCURACY CLASS (SUPER PRECISION) RADIAL INTERNAL CLEARANCE REDUCED TO C2X
  T CAGE OF MACHINED PHENOLIC RESIN, LOCATED ON ROLLING ELEMENTS
  TA CAGE OF MACHINED PHENOLIC RESIN, LOCATED ON OUTER RING
  TB CAGE OF MACHINED PHENOLIC RESIN LOCATED ON INNER RING.
  TBT THREE BEARINGS MATCHED FOR ASSEMBLY IN TANDEM O ARRANGEMENT. <<>
  TFT THREE BEARINGS MATCHED FOR ASSEMBLY IN X-TANDEM ARRANGEMENT ><<
  THB SNAP CAGE OF PHENOLIC RESIN, LOCATED ON INNER RING.
  TN NYLON CGAE LOCATED ON INNER RING, POLYAMIDE 6.6
  TNH NYLON SNAP CAGE LOCATED ON INNER RING, POLYAMIDE 6.6
  TPA WINDOW TYPE CAGE OF MACHINED PHENOLIC RESIN, LOCATED ON OUTER RING
  TT THREE BEARINGS MATCHED FOR ASSEMBLY IN TANDEM-ARRANGEMENT <<<
  TU THREE BEARINGS MATCHED FOR UNIVERSAL ASSEMBLY
  TV NYLON CAGE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON ROLLING ELEMENTS
  TVA NYLON CGAE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON OUTER RING.
  TVB NYLON CGAE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON INNER RING.
  TVH NYLON SNAP CAGE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON ROLLING ELEMENTS
  TVP WINDOW TYPE NYLON CAGE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON ROLLING ELEMENTS
  TVPA WINDOW TYPE NYLON CAGE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON OUTER RING
  TVPB WINDOW TYPE NYLON CAGE, POLYAMIDE 6.6, GLASS FIBRE FILLED, LOCATED ON INNER RING
  U UNIVERSAL FACED ANGULAR CONTACT BALL BEARING
  U... UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH SPECIAL PRELOAD (DA N)
  UA UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH AXIAL CLEARANCE.
  UB UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH SMALL AXIAL CLEARANCE.
  UD UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH DOUBLE OF LIGHT PRELOAD
  UH UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH HIGH PRELOAD.
  UL UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH LIGHT PRELOAD.
  UM UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH MEDIUM PRELOAD
  UO UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITHOUT AXIAL CLEARANCE AND PRELOAD (BACKLASH FREE).
  UX UNIVERSAL FACED ANGULAR CONTACT BALL BEARING WITH EXTRA LIGHT PRELOAD.
  V.... SPECIAL IBC SPECIFICATION
  V001 BEARING ACCORDING TO DIN 43 283 FOR ELECTRICAL MACHINES IN ELECTRICAL RAIL VEHICLES.
  V080 SELF ALIGNING ROLLER BEARINGS WITH NARROW TOLERANCES IN BORE AND OUTSIDE DIAMETER AND NARROWED INTERNAL CLEARANCE (VIBRATING MACHINES)
  V080A V080 + A21
  V105 BEARING STABALISED UP TO 300 DEGGREES C WITH EXTREMELY LARGE CLEARANCE, BONDERIZED, RIVETED STEEL CAGE.
  V205 AXIAL RUNOUT LESS THAN 5 MICRO METERS.
  VS SEALING ONE SIDE, RADIALLY TOUCHING MATERIAL VITON®.
  W33 ANNUAL GROOVE WITH 3 LUBRICATION HOLES IN OUTER RING.
  X EXTRA LIGHT PRELOAD.
  X BEARING WHOSE EXTERIOR DIMENSIONS ARE MODIFIED ACCORDING TO INTERNATIONAL STANDARDS. THE SUFFIX IS NORMALLY ONLY USED DURING A CERTAIN PERIOD.
  X CAM ROLLER WITH CYLINDRICAL OD.
  X02B OD GRADED INOT 2 GROUPS, LOWER PART.
  X03 OD GRADED INTO 3 TOLERANCE BANDS.
  X1 OD AND BORE REDUCED WITHIN TOLERANCE. OD AND BORE TP TOLERANCE BAND (FORMALLY V510)
  X20 BORE GRADED INTO TWO TOLERANCE BANDS.
  X20T BORE GRADED INTO 2 GROUPS, UPPER PART.
  X22 OD AND BORE GRADED INTO 3 TOLERANCE BANDS. THE GROUPS ARE SUPPLIED ACCORDING TO PRODUCTION OUTPUT.
  X3 OD AND BORE REDUCED WITIN TOLERANCE. OD TOP TOLERANCE BAND AND BORE BOTTOM TOLERANCE BAND.
  X5 OD AND BORE REDUCED WITHIN TOLERANCE. OD AND BORE MIDDLE TOLERANCE BAND.
  X6 OD AND BORE REDUCED WITIN TOLERANCE. OD BOTTOM TOLERANCE BAND AND BORE TOP TOLERANCE BAND (FORMALLY V516)
  X8 OD AND BORE REDUCED WITHIN TOLERANCE. OD AND BORE BOTTOM TOLERANCE BAND.
  Y BRASS SHEET CAGE (RIBBON CAGE)
  Z SHIELD FITTED AT ONE SIDE OF THE BEARING.
  ZS SHIELD FITTED WITH SPRING RING AT ONE SIDE.

 

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