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Developed for precision positioning tables, supporting cutting-edge
equipment, including semiconductor manufacturing and medical
devices

2 Reference number

Reference numbers will be used as reference before finalizing all specifications. Please specify the reference
number, except design serial number, to identify the product when ordering, requesting estimates, or inquiring about
specifications from NSK.

2.1 Preloaded assembly type

Example: PU 15 0470 AL K 2 88 P5 1

Series name Preload code 0: Fine clearance (Z0), 1: Slight preload (Z1)
Accuracy code P4: Super precision, P5: High precision, P6: Precision, PN: Normal
Size (with NSK K1) K4: Super precision, K5: High precision, K6: Precision, KN: Normal

Rail length (mm) Design serial number
Number of ball slides per rail
Ball slide shape code
Material/surface treatment code K: Stainless steel

H: Stainless steel + surface treatment

2.2 Random-matching type

(1) Reference number for rail and ball slide assembly

Example: PU 15 0470 AL K 2 88 PC T

Series name Preload code T: Fine clearance (ZT)
Accuracy code PC: Normal
Size (with NSK K1) KC: Normal

Rail length (mm) Design serial number

Ball slide shape code Number of ball slides per rail
Material/surface treatment code K: Stainless steel

H: Stainless steel + surface treatment

(2) Reference number for ball slide of random-matching type

Example: PAU 15 AL S K

Random-matching ball slide series code Option code -K: Equipped with NSK K1
PAU: PU Series random-matching ball slide Material code S: Stainless steel
PAE: PE Series random-matching ball slide Ball slide shape code

Size

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