FAG XCB71916-E-2RSD-T-P4S-K5-UL is a single-row super-precision angular contact ball bearing for high-speed machine-tool and grinding-spindle applications. Its designation specifies the contact angle, sealing arrangement, cage design, precision class, universal matching and light preload.
Product identification
| Brand |
FAG (Schaeffler) |
| Item number |
XCB71916-E-2RSD-T-P4S-K5-UL |
| Category |
Single-row angular contact ball bearing / spindle bearing |
Dimensions and weight
| Bore diameter (d) |
80 mm / 3.1496 in |
| Outside diameter (D) |
110 mm / 4.3307 in |
| Width (B) |
16 mm / 0.6299 in |
| Weight |
0.31 kg |
Design characteristics
| Seal arrangement |
2RU — two seals, non-contact type |
| Cage |
TB hard-fiber cage |
| Precision |
K5 — P4S + K5 |
| Contact angle |
25° |
| Matching |
G — universal pairing |
| Preload |
UL — universal design for fitting in pairs; slight preload in O and X arrangements |
| Lubrication |
Standard lubrication |
Designation guide
-
E: 25° contact angle.
-
2RSD: non-contact seals on both sides.
-
T: hard-fiber cage.
-
P4S: super-precision dimensional and running-accuracy class.
-
K5: combined precision class (P4S + K5).
-
UL: universal matching with light preload in a paired arrangement.
Application and ordering
Suited to precision machine-tool and grinding spindles requiring high running accuracy and rigidity at elevated speeds. Final suitability must be confirmed for the actual spindle arrangement, preload, lubrication, temperature and load.
Before ordering, confirm the complete designation, quantity, bearing arrangement and delivery location. SGU Precision confirms current price, availability and source by quotation.
Technical information is provided for product identification. Final suitability and current manufacturer data should be confirmed during engineering review and quotation.
