/wp-content/uploads/2025/Cylindrical-Roller-Bearings.jpg
Koyo N304
(BRAND)：KOYO
(Availability)：In Stock
(EMAIL)：info@noksbearings.com
Specifications
(Boundary dimensions ...etc)
d
20 mm
D
52 mm
B
15 mm
r(min.)
1.1 mm
r1(min.)
0.6 mm
Fw
- mm
Ew
44.5 mm
Basic load ratings : Cr
28.9 kN
Basic load ratings : C0r
19.2 kN
Fatigue load limit : Cu
2.50 kN
Limiting speeds(Grease lub.)
12000 min-1
Limiting speeds(Oil lub.)
16000 min-1
sd1
- mm
B1
- mm
B2
- mm
Mounting dimensions
da(min.)
26.5 mm
db(min.)
- mm
db(max.)
- mm
dc(min.)
- mm
dd(min.)
- mm
Da(max.)
- mm
Db(max.)
48 mm
Db(min.)
45.5 mm
ra(max.)
1 mm
rb(max.)
0.6 mm
Refer.
(Refer.)Mass
0.144 kg
