624 KOYO Single-row deep groove ball bearings
| Brand Name: |
KOYO |
| Model Number: |
624 |
| Bearing number: |
6301N |
| Size (mm): |
12x37x12 |
| Bore Diameter (mm): |
12 |
| Outer Diameter (mm): |
37 |
| Width (mm): |
12 |
| d: |
12 mm |
| D: |
37 mm |
| B: |
12 mm |
| PDF |
624 |
Product Details
| Bearing number |
6301N |
| Size (mm) |
12x37x12 |
| Bore Diameter (mm) |
12 |
| Outer Diameter (mm) |
37 |
| Width (mm) |
12 |
| d |
12 mm |
| D |
37 mm |
| B |
12 mm |
| C |
12 mm |
| a |
2.06 mm |
| b |
1.35 mm |
| r min. |
1 mm |
| r1 min. |
0.5 mm |
| D1 |
34.77 mm |
| Weight |
0.060 Kg |
| Basic dynamic load rating (C) |
9,75 kN |
| Basic static load rating (C0) |
4,25 kN |
| (Grease) Lubrication Speed |
19000 r/min |
| Bore Type |
Cylindrical Bore |
| Enclosure |
Open |
| Configuration |
Single Row |
| Bore Size |
12 mm |
| Outside Diameter |
37 mm |
| Width |
12 mm |
| Fillet Radius/Chamfer |
1 mm |
| r1 |
0.5 mm |
| Groove Width |
1.4 mm |
| Groove Diameter |
34.8 mm |
| a (max) |
2.1 mm |
| Dynamic Load Rating |
9,750 N |
| Static Load Rating |
4,250 N |
| Limiting Speed - Grease |
20,000 rpm |
| Limiting Speed - Oil |
24,000 rpm |
| Factor fo |
11.2 |
| Radial Clearance |
0.003 to 0.018 mm |
| da (min) |
18 mm |
| Da (max) |
31 mm |
| Dx (min) |
42 mm |
| ra (max) |
1 mm |
| Cy (max) |
2.9 mm |