| Part Number | 
F6904-2RSB7 | 
| Bearing type | 
BALL | 
| Structure | 
Single Row | 
| Load Direction | 
Radial | 
| Seal type | 
Rubber seals | 
| Bore diameter(d) | 
20mm | 
| Outer diameter(D) | 
37mm | 
| Flange OD(Df) | 
40mm | 
| Width(B) | 
7mm | 
| Flange thickness (Bf) | 
2 mm | 
| radius (rs) | 
0.3mm | 
| material | 
Chrome steel 52100(Gcr15) | 
| ring material | 
Chrome steel 52100(Gcr15) | 
| cage material | 
300 Series Stainless Steel | 
| ball material | 
Chrome steel 52100(Gcr15) | 
| shields material | 
300 Series Stainless Steel | 
| Grade | 
ABEC-1(higher grade available) | 
| Clearance | 
C0(other clearance available) | 
| BALL SIZE(mm) | 
4.762mm | 
| BALL QTY | 
11 | 
| lubrication | 
grease(oil available) | 
| Temperature Range | 
-30℃~130℃ | 
| weight(g) | 
40 | 
| ISO9001:2015 | 
PASSED | 
| REACH | 
PASSED | 
| ROHS | 
PASSED | 
| Dynamic Load Rating (Cr) | 
6381N | 
| Static Load Rating (Cor) | 
3682N |