Bearing No. | Bore | Outer diameter | Width | Assembly chamfer | Basic load rating(lbs) | Weight (KG) |
d | D | B(Open) | r(min) | Dynamic | Static |
Open | Shield | Seal non- contact | Seal contact | Snap groove | Snap ring | in | mm | in | mm | in | mm | in | mm | Cr(N) | Cr(N) | (KG) |
1605 | ZZ | 2RZ | 2RS | N | NR | 5/16 | 7.938 | 29/32 | 23.019 | 5/16 | 7.938 | 0.012 | 0.305 | 3300 | 1410 | 0.018 |
1606 | ZZ | 2RZ | 2RS | N | NR | 3/8 | 9.525 | 29/32 | 23.019 | 5/16 | 7.938 | 0.012 | 0.305 | 3300 | 1410 | 0.016 |
1607 | ZZ | 2RZ | 2RS | N | NR | 7/16 | 11.113 | 29/32 | 23.019 | 5/16 | 7.938 | 0.016 | 0.406 | 3560 | 1950 | 0.016 |
1614 | ZZ | 2RZ | 2RS | N | NR | 3/8 | 9.525 | 1-1/8 | 28.575 | 3/8 | 9.525 | 0.025 | 0.635 | 3920 | 2250 | 0.035 |
1615 | ZZ | 2RZ | 2RS | N | NR | 7/16 | 11.113 | 1-1/8 | 28.575 | 3/8 | 9.525 | 0.025 | 0.635 | 3920 | 2250 | 0.034 |
1616 | ZZ | 2RZ | 2RS | N | NR | 1/2 | 12.7 | 1-1/8 | 28.575 | 3/8 | 9.525 | 0.025 | 0.635 | 3920 | 2250 | 0.03 |
1620 | ZZ | 2RZ | 2RS | N | NR | 7/16 | 11.113 | 1-1/8 | 34.925 | 7/16 | 11.113 | 0.025 | 0.635 | 5900 | 3500 | 0.05 |
1621 | ZZ | 2RZ | 2RS | N | NR | 1/2 | 12.7 | 1-1/8 | 34.925 | 7/16 | 11.113 | 0.025 | 0.635 | 5900 | 3500 | 0.048 |
1622 | ZZ | 2RZ | 2RS | N | NR | 9/16 | 14.288 | 1-1/8 | 34.925 | 7/16 | 11.113 | 0.025 | 0.635 | 5900 | 3500 | 0.048 |
1623 | ZZ | 2RZ | 2RS | N | NR | 5/8 | 15.875 | 1-1/8 | 34.925 | 7/16 | 11.113 | 0.025 | 0.635 | 5900 | 3500 | 0.04 |
1628 | ZZ | 2RZ | 2RS | N | NR | 5/8 | 15.875 | 1-5/8 | 41.275 | 1/2 | 12.7 | 0.025 | 0.635 | 7250 | 4450 | 0.072 |
1630 | ZZ | 2RZ | 2RS | N | NR | 3/4 | 19.05 | 1-5/8 | 41.275 | 1/2 | 12.7 | 0.025 | 0.635 | 7250 | 4450 | 0.065 |
1633 | ZZ | 2RZ | 2RS | N | NR | 5/8 | 15.875 | 1-3/4 | 44.45 | 1/2 | 12.7 | 0.025 | 0.635 | 7250 | 4450 | 0.092 |
1635 | ZZ | 2RZ | 2RS | N | NR | 3/4 | 19.05 | 1-3/4 | 44.45 | 1/2 | 12.7 | 0.035 | 0.889 | 7250 | 4450 | 0.085 |
1638 | ZZ | 2RZ | 2RS | N | NR | 3/4 | 19.05 | 2 | 50.8 | 9/16 | 14.288 | 0.035 | 0.889 | 10800 | 6950 | 0.12 |
1640 | ZZ | 2RZ | 2RS | N | NR | 7/8 | 22.225 | 2 | 50.8 | 9/16 | 14.288 | 0.035 | 0.889 | 10800 | 6950 | 0.112 |
1641 | ZZ | 2RZ | 2RS | N | NR | 1 | 25.4 | 2 | 50.8 | 9/16 | 14.288 | 0.035 | 0.889 | 10800 | 6950 | 0.1 |
1652 | ZZ | 2RZ | 2RS | N | NR | 1-1/8 | 28.575 | 2-1/2 | 63.5 | 5/8 | 15.875 | 0.035 | 0.889 | 12800 | 8400 | 0.21 |
1654 | ZZ | 2RZ | 2RS | N | NR | 1-1/4 | 31.75 | 2-1/2 | 63.5 | 5/8 | 15.875 | 0.035 | 0.889 | 12800 | 8400 | 0.19 |
Tolerance Class
Standard | Tolerance class |
GB/T307.1 | PO | P6 | P5 | P4 |
IS0492 | C LASSO | CLASS6 | CLASS5 | CLASS4 |
AFBMA STD.20 | ABEC1 | ABEC3 | ABEC5 | ABEC7 |
Bearing Material
Chrome Steel: Chemical Composition of Chrome Steel
Steel No | Chemical Composition% |
C | Si | Mn | P | S | Cr |
Gcr15 | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | ≤0.027 | ≤0.02 | 1.30-1.65 |
The Interchange of Chrome Steel No.
Country | China | ISO | U.S.A | Germany | Japan | Sweden |
Bearings
Steel No. | Gcr15 | 638/XVII 1 | (AISI)52100 | (DIN)100Cr6 | (Jis)SVJ2 | SKF3 |
