Various types of bearing suffix code meaning Part 4

6 TN Injection moulded nylon

6.6 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

7.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.

8.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.

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