1600 Series Deep Groove Ball Bearings
AXIS 1600 series inch size ball bearings are dimensional equivalent to other brands but are made to ABEC 3 precision tolerances and are electric motor quality (EMQ). A ball bearing is a type of bearing that utilizes balls for separation between the bearing races and are designed to reduce friction and support radial and axial loads.Types of 1600 Series Bearings
![]() Open (No Seal or Sheild) |
![]() RS (Seal on One Side) |
![]() 2-RS (Seal on Both Sid) |
![]() Z (Shield on One Sides) |
![]() ZZ (Shields on Both Sides) |
![]() NR (Retaining Ring) |
|---|---|---|---|---|---|
1600 Series Bearing Sizes

| Bearing Size | Type | Dimension (d) | Dimension (D) | Dimension (B) | Dynamic Load (LBS) | Static Load (LBS) | Grease Limiting Speed (RPM) | Oil Limiting Speed (RPM) | Weight (LBS) |
|---|---|---|---|---|---|---|---|---|---|
| 1601 | Open | 3/16" | 11/16'' | 1/4'' | 600 | 220 | 36000 | 43000 | .009 |
| 1601-2RS | Sealed | 3/16'' | 11/16'' | 1/4'' | 600 | 220 | 28000 | -- | .009 |
| 1601-ZZ | Shielded | 3/16'' | 11/16'' | 1/4'' | 600 | 220 | 36000 | -- | .009 |
| 1602 | Open | 1/4'' | 11/16'' | 1/4'' | 635 | 240 | 36000 | 43000 | .014 |
| 1602-2RS | Sealed | 1/4'' | 11/16'' | 1/4'' | 635 | 240 | 28000 | -- | .014 |
| 1602-ZZ | Shielded | 1/4'' |
11/16''
|
1/4'' | 635 | 240 | 36000 | -- | .014 |
| 1603 | Open | 5/16'' | 7/8'' | 9/32'' | 745 | 310 | 31000 | 36000 | .021 |
| 1603-2RS | Sealed | 5/16'' | 7/8'' | 9/32'' | 745 | 310 | 22000 | -- | .021 |
| 1603-ZZ | Shielded | 5/16'' | 7/8'' | 9/32'' | 745 | 310 | 31000 | -- | .021 |
| 1604 | Open | 3/8'' | 7/8'' | 9/32'' | 750 | 320 | 31000 | 36000 | .019 |
| 1604-2RS | Sealed | 3/8'' | 7/8'' | 9/32'' | 750 | 320 | 22000 | -- | .019 |
| 1604-ZZ | Shielded | 3/8'' | 7/8'' | 9/32'' | 750 | 320 | 31000 | -- | .019 |
| 1605 | Open | 5/16'' | 29/32'' | 5/16'' | 745 | 315 | 28000 | 33000 | .037 |
| 1605-2RS | Sealed | 5/16'' | 29/32'' | 5/16'' | 745 | 315 | 18000 | -- | .037 |
| 1605-ZZ | Shielded | 5/16'' | 29/32'' | 5/16'' | 745 | 315 | 28000 | -- | .037 |
| 1606 | Open | 3/8'' | 29/32'' | 5/16'' | 750 | 320 | 28000 | 33000 | .048 |
| 1606-2RS | Sealed | 3/8'' | 29/32'' | 5/16'' | 750 | 320 | 18000 | -- | .048 |
| 1606-ZZ | Shielded | 3/8'' | 29/32'' | 5/16'' | 750 | 320 | 28000 | -- | .048 |
| 1607 | Open | 7/16'' | 29/32'' | 5/16'' | 1015 | 430 | 27000 | 32000 | .049 |
| 1607-2RS | Sealed | 7/16'' | 29/32'' | 5/16'' | 1015 | 430 | 17000 | -- | .049 |
| 1607-ZZ | Shielded | 7/16'' | 29/32'' | 5/16'' | 1015 | 430 | 27000 | -- | .049 |
| 1614 | Open | 3/8'' | 1-1/8'' | 3/8'' | 1140 | 520 | 25000 | 28000 | .077 |
| 1614-2RS | Sealed | 3/8'' | 1-1/8'' | 3/8'' | 1140 | 520 | 15000 | -- | .077 |
| 1614-ZZ | Shielded | 3/8'' | 1-1/8'' | 3/8'' | 1140 | 520 | 25000 | -- | .077 |
| 1615 | Open | 7/16'' | 1-1/8'' | 3/8'' | 1145 | 530 | 25000 | 28000 | .071 |
| 1615-2RS | Sealed | 7/16'' | 1-1/8'' | 3/8'' | 1145 | 530 | 15000 | -- | .071 |
| 1615-ZZ | Shielded | 7/16'' | 1-1/8'' | 3/8'' | 1145 | 530 | 25000 | -- | .071 |
| 1616 | Open | 1/2'' | 1-1/8'' | 3/8'' | 1150 | 450 | 25000 | 28000 | .066 |
| 1616-2RS | Sealed | 1/2'' | 1-1/8'' | 3/8'' | 1150 | 450 | 15000 | -- | .066 |
| 1616-ZZ | Shielded | 1/2'' | 1-1/8'' | 3/8'' | 1150 | 450 | 25000 | -- | .066 |
| 1620 | Open | 7/16'' | 1-3/8'' | 7/16'' | 1690 | 800 | 22000 | 26000 | .100 |
| 1620-2RS | Sealed | 7/16'' | 1-3/8'' | 7/16'' | 1690 | 800 | 12000 | -- | .100 |
| 1620-ZZ | Shielded | 7/16'' | 1-3/8'' | 7/16'' | 1690 | 800 | 22000 | -- | .100 |
| 1621 | Open | 1/2'' | 1-3/8'' | 7/16'' | 1700 | 815 | 22000 | 26000 | .106 |
| 1621-2RS | Sealed | 1/2'' | 1-3/8'' | 7/16'' | 1700 | 815 | 12000 | -- | .106 |
| 1621-ZZ | Shielded | 1/2'' | 1-3/8'' | 7/16'' | 1700 | 815 | 22000 | -- | .106 |
| 1622 | Open | 9/16'' | 1-3/8'' | 7/16'' | 1710 | 825 | 22000 | 26000 | .101 |
| 1622-2RS | Sealed | 9/16'' | 1-3/8'' | 7/16'' | 1710 | 825 | 12000 | -- | .101 |
| 1622-ZZ | Shielded | 9/16'' | 1-3/8'' | 7/16'' | 1710 | 825 | 22000 | -- | .101 |
| 1623 | Open | 5/8'' | 1-3/8'' | 7/16'' | 1720 | 835 | 22000 | 26000 | .088 |
| 1623-2RS | Sealed | 5/8'' | 1-3/8'' | 7/16'' | 1720 | 835 | 12000 | -- | .088 |
| 1623-ZZ | Shielded | 5/8'' | 1-3/8'' | 7/16'' | 1720 | 835 | 22000 | -- | .088 |
| 1628 | Open | 5/8'' | 1-5/8'' | 1/2'' | 2100 | 1095 | 17000 | 20000 | .159 |
| 1628-2RS | Sealed | 5/8'' | 1-5/8'' | 1/2'' | 2100 | 1095 | 10000 | -- | .159 |
| 1628-ZZ | Shielded | 5/8'' | 1-5/8'' | 1/2'' | 2100 | 1095 | 17000 | -- | .159 |
| 1630 | Open | 3/4'' | 1-5/8'' | 1/2'' | 2110 | 1115 | 17000 | 20000 | .143 |
| 1630-2RS | Sealed | 3/4'' | 1-5/8'' | 1/2'' | 2110 | 1115 | 10000 | -- | .143 |
| 1630-ZZ | Shielded | 3/4'' | 1-5/8'' | 1/2'' | 2110 | 1115 | 17000 | -- | .143 |
| 1633 | Open | 5/8'' | 1-3/4'' | 1/2'' | 2100 | 1120 | 14000 | 16000 | .203 |
| 1633-2RS | Sealed | 5/8'' | 1-3/4'' | 1/2'' | 2100 | 1120 | 9000 | -- | .203 |
| 1633-ZZ | Shielded | 5/8'' | 1-3/4'' | 1/2'' | 2100 | 1120 | 14000 | -- | .203 |
| 1635 | Open | 3/4'' | 1-3/4'' | 1/2'' | 2110 | 1140 | 14000 | 16000 | .187 |
| 1635-2RS | Sealed | 3/4'' | 1-3/4'' | 1/2'' | 2110 | 1140 | 9000 | -- | .187 |
| 1635-ZZ | Shielded | 3/4'' | 1-3/4'' | 1/2'' | 2110 | 1140 | 14000 | -- | .187 |
| 1638 | Open | 3/4'' | 2'' | 9/16'' | 2270 | 1290 | 12000 | 13000 | .265 |
| 1638-2RS | Sealed | 3/4'' | 2'' | 9/16'' | 2270 | 1290 | 7500 | -- | .265 |
| 1638-ZZ | Shielded | 3/4'' | 2'' | 9/16'' | 2270 | 1290 | 12000 | -- | .265 |
| 1640 | Open | 7/8'' | 2'' | 9/16'' | 2265 | 1315 | 12000 | 13000 | .247 |
| 1640-2RS | Sealed | 7/8'' | 2'' | 9/16'' | 2265 | 1315 | 7500 | -- | .247 |
| 1640-ZZ | Shielded | 1'' | 2'' | 9/16'' | 2265 | 1315 | 12000 | -- | .247 |
| 1641 | Open | 1'' | 2'' | 9/16'' | 2260 | 1345 | 12000 | 13000 | .221 |
| 1641-2RS | Sealed | 1'' | 2'' | 9/16'' | 2260 | 1345 | 7500 | -- | .221 |
| 1641-ZZ | Shielded | 1-1/8'' | 2-1/2'' | 5/8'' | 2260 | 1345 | 12000 | -- | .221 |
| 1652 | Open | 1-1/8'' | 2-1/2'' | 5/8'' | 3603 | 2280 | 9000 | 10000 | .463 |
| 1652-2RS | Sealed | 1-1/8'' | 2-1/2'' | 5/8'' | 3603 | 2280 | 5500 | -- | .463 |
| 1652-ZZ | Shielded | 1-1/4'' | 2-1/2'' | 5/8'' | 3603 | 2280 | 9000 | -- | .463 |
| 1654 | Open | 1-1/4'' | 2-1/2'' | 5/8'' | 3600 | 2300 | 9000 | 10000 | .419 |
| 1654-2RS | Sealed | 1-1/4'' | 2-1/2'' | 5/8'' | 3600 | 2300 | 5500 | --[ | .419 |
| 1654-ZZ | Shielded | 1-1/4'' | 2-9/16'' | 11/16'' | 3600 | 2300 | 9000 | -- | .419 |
| 1657 | Open | 1-1/4'' | 2-9/16'' | 11/16'' | 4400 | 2500 | 5000 | 6000 | .474 |
| 1657-2RS | Sealed | 1-1/4'' | 2-9/16'' | 11/16'' | 4400 | 2500 | 3000 | -- | .474 |
| 1657-ZZ | Shielded | 1-5/16'' | 2-9/16'' | 11/16'' | 4400 | 2500 | 5000 | -- | .474 |
| 1658 | Open | 1-5/16'' | 2-9/16'' | 11/16'' | 4370 | 2600 | 5000 | 6000 | .441 |
| 1658-2RS | Sealed | 1-5/16'' | 2-9/16'' | 11/16'' | 4370 | 2600 | 3000 | -- | .441 |
| 1658-ZZ | Open | 1-5/16'' | 2-9/16'' | 11/16'' | 4370 | 2600 | 5000 | -- | .441 |





