| Prefix |
|
|
Bore Diam. |
| ring description |
|
|
|
|
| No Letter |
Relieved Outer Ring |
|
3MM-9MM |
Extra Small <10MM |
| B |
Ultra High Speed Relieved Inner Ring, Small Ball |
|
00 |
10MM |
| H(S) |
Ultra High Speed Asymmetrical Rings, Small Ball |
|
01 |
12MM |
| SN** |
Ultra High Speed Separable, Relieved Inner Ring |
|
02 |
15MM |
| N** |
Single Row Cylindrical Roller |
|
03 |
17MM |
| NN |
Double Row Cylindrical Roller |
|
04 & UP |
Last digit(s) X 5 = 20MM & Up First two digits for "BS" series & generally for "BSS" as well |
| BS/BSS |
Ball Screw Suppors (Non ISO) |
|
|
| YRT** |
Precision Rotary Indexing Table Bearing |
|
|
| Series |
|
|
Total Part No. |
(YRT) YRT50-YRT950 |
| 600 |
Deep Groove, ISO10, Extra-Light |
|
|
|
| 620 |
Deep Groove, ISO02, Light |
|
Suffix |
|
| 630 |
Deep Groove, ISO03 Medium |
|
contact angle |
|
| 70 |
Angular Contact, Extra Small |
|
C |
15º |
| 718 |
Angular Contact, ISO18, Hyper-Light |
|
AC |
25º |
| 719 |
Angular Contact, ISO19 Ultra-Light |
|
CC* |
12º (Primarily for "SN") |
| 700 |
Angular Contact, ISO10, Extra-Light |
|
X2A** |
30º (High Speed Thrust) |
| 7010X** |
Angular Contact, ISO10, High Speed Thrust, Extra-Light |
|
X2B** |
40º (High Speed Thrust) |
| 720 |
Angular Contact, ISO02, Light |
|
|
|
| 7602 |
Angular Contact, ISO02, Light, Ball Screw Support |
|
Modifications |
|
| 7603 |
Angular Contact, ISO03, Medium, Ball Screw Support |
|
RSZ |
Non-Contact Seals |
| 22344/22347* |
Angular Contact, 60º, Double Direction Thrust |
|
S** |
Stainless Steel (Rings & Balls) |
| 1000 |
Single Row Cylindrical, Extra Light |
|
/HQ1 |
Sii3N4 Balls, (Hybrid) |
| 3000 |
Double Row Cylindrical, Extra Light |
|
K |
Bore Taper (N1000K, NN3000K), 1:12 |
| 320** |
Tapered Roller (Cup/Cone), Extra Light |
|
|
|
