Bearing Classification
- Deep groove ball bearing
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- Needle Roller bearings
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INA NA4919 Needle roller bearings with ribs
Brand: INA
Original:
Type: Needle Roller bearings
Item: NA4919
Inner: 95mm
Outner: 130mm
Thickness:36mm
Weight: 1.371kg
INA NA4919 Needle roller bearings with ribs are X-life bearings. These bearings have optimised raceway surfaces.
This gives higher load carrying capacity and longer rating life.The cages are made from sheet steel
Description of INA NA4919 Needle roller bearings with ribs
Inside diameter= 95 mm
Outside diameter=130 mm
Width=36 mm
Axial displacement=1 mm
Mass=1371 g
Basic dynamic load rating, radial= 131000 N
Basic static load rating, radial= 260000 N
Fatigue limit load, radial= 44500 N
Limiting speed= 4200 rpm
Reference speed= 2550 rpm
INA Needle roller bearings NA49 series
|
Part No |
d mm |
D mm |
B mm |
|
NA4900 |
10 |
22 |
13 |
|
NA4901 |
12 |
24 |
13 |
|
NA4902 |
15 |
28 |
13 |
|
NA4903 |
17 |
30 |
13 |
|
NA4904 |
20 |
37 |
17 |
|
NA49/22 |
22 |
39 |
17 |
|
NA4905 |
25 |
42 |
17 |
|
NA49/28 |
28 |
45 |
17 |
|
NA4906 |
30 |
47 |
17 |
|
NA49/32 |
32 |
52 |
20 |
|
NA4907 |
35 |
55 |
20 |
|
NA4908 |
40 |
62 |
22 |
|
NA4909 |
45 |
68 |
22 |
|
NA4910 |
50 |
72 |
22 |
|
NA4911 |
55 |
80 |
25 |
|
NA4912 |
60 |
85 |
25 |
|
NA4913 |
65 |
90 |
25 |
|
NA4914 |
70 |
100 |
30 |
|
NA4915 |
75 |
105 |
30 |
|
NA4916 |
80 |
110 |
30 |
|
NA4917 |
85 |
120 |
35 |
|
NA4918 |
90 |
125 |
35 |
|
NA4919 |
95 |
130 |
35 |
|
NA4920 |
100 |
140 |
40 |
|
NA4922 |
110 |
150 |
40 |
|
NA4924 |
120 |
165 |
45 |
|
NA4926 |
130 |
180 |
50 |
|
NA4928 |
140 |
190 |
50 |
INA Needle roller bearing suffix description:
C3: Radial internal clearance larger than normal
P5: High dimensional and geometrical accuracy
RSR: Contact seal on one side
TV: Bearing with cage made from glass fibre reinforced polyamide 66
ZW: Double row design, dependent on the size
2RSR: Contact seals on both sides
