| Dimensions (inch) | d | .2500 | 
Two Shields ZZ |
| D | .5000 | ||
| B | .1875 | ||
| B1 | .0450 | ||
| D1 | .5470 | ||
| Approx. Wgt. lbs |
.020 | ||
| Interchange | ADR | FR188ZZ | |
| FAG | RF1632.2Z | ||
| ISC | FR188ZZS | ||
| NMB | R1F-814ZZ | ||
| NTN | FLRA188ZZA | ||
| RMB | ULKZ8016X | ||
| SKF | FR188ZZ | ||
|
1) This series is also available in stainless steel (440C type) - prefix “SS”. | |||
