Various types of bearing suffix code meaning-

Various types of bearing suffix code meaning

1.Deep groove ball bearing
ZZ:Iron dust cover(same as 2Z)
VV:Non-contact rubber seal(same as 2RZ)
DDU: contact rubber seal (same as 2RS)
C3/C4:Clearance
M P5:Precision
KS:on behalf of Kunshan production

2.Spherical ball bearings
K: with tapered hole (taper 1:12)

3.Spherical roller bearings
A/C/CD: for steel cage
CA/CAM:E4: with oil groove on the outer ring (outer diameter side) with oil hole
S11:Temperature below 200 degree Celsius
K/K30: with a tapered hole (taper 1:12/1:30)

4.Tapered roller bearings
C:Medium taper
D:large taper

5.Cylindrical roller bearings
ET: nylon cage
M: brass cage
W: steel cage
C3:Clearance
E:Reinforced
TP:Outer ring guide
PPS resin cage, limit temperature 240 degrees Celsius
TB:Roller guide
PPS resin cage
MR: Roller-guided copper alloy cage, limiting temperature 300 degrees.
KR: Tapered bore with 1/12 taper
E44: Outer ring with standard oil groove, oil hole
CC1:Cylindrical bore with standard clearance
CC0: Standard clearance for conical bore
CCG: Special radial clearance
P4/P5:precision

6.Angular contact ball bearings
A 30° contact angle
B 40°contact angle
C 25° contact angle
DT Tandem mounting
DB Back-to-back pair mounting
DF Face-to-Face Pair Mount
E Load Reinforced Design
J Stamped Steel Cage
M Combination Machined Brass Cage, Roller Guided
P Injection moulded glass fibre reinforced nylon

7. cage, roller guided
P5 Dimensional and rotational accuracy to
ISO tolerance classes
5 P6 Dimensional and rotational accuracy to
ISO tolerance classes

7 TN Injection moulded nylon
7.7 Cage, rolling element guide
TYN: Polyamide resin cage
U/DU: Universal combination single row/2 rows
DB/DF/DT:Combination back-to-back/face-to-face/parallel
DBD/DFD/DTD:3-row combination
DBB/DFF/DTT: 4 columns combination
EL/L/M/H:Preloaded Micro/Light/Medium/Heavy
P4/P5:Precision

8.Ball Screw Support Bearings
AC:60 degree contact angle
SU/DU:Universal combination single row/2 rows
DB/DF/DT:Combination back-to-back/face-to-face/parallel
DBD/DFD/DTD:3 rows combination
DBB/DFF/DTT: 4 columns combination
C10/C9: standard preload/light preload
PN7A/PN7B: Standard accuracy/special management accuracy (for SU combination) equivalent to P4.

9.Thrust angular contact ball bearings
TYN:Polyamide resin cage
DB:Back-to-back combination
EL/L:Micro/light preload
P4A:Special outer diameter size difference, others are P4.

if require the quotation of bearings, just send us the items to enjoy the firt hands factory bearings price and 24months warranty. Supporting NO MOQ, 1pcs is ok.

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