INA NA4919 Needle roller bearings with ribs

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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