Double-Row Cylindrical Roller Bearings / Stiffness series
  • 49 type
  • NN4988 Cylindrical Bore

NN4988 Bearing | 49 type

NN4988 interchange NSK Rolling Bearing | amroll NN4988
NN4988 cross reference NSK Rolling Bearing | amroll NN4988
NN4988 Equivalent bearing interchange guide:
Price: enquiry
Model Number: NN4988
d: 15
D: 440
B: 3
r(min): 4.0
r1(min): NN4988
Width: 456
Size: 123
W: 4
SD: 1400
RA: 1100
R: 8
ORDER: 562


NNU49/750K Tapered Bore

W: 530

SD: 20

RA: 750

R: 5

ORDER: 6.0

MDA: NNU49/750K

NNU49/560K Tapered Bore

W: 230

SD: 18

RA: 560

R: 4

ORDER: 5.0

MDA: NNU49/560K

NNU49/630K Tapered Bore

W: 328

SD: 20

RA: 630

R: 5

ORDER: 6.0

MDA: NNU49/630K

NNU49/800 Cylindrical Bore

W: 573

SD: 20

RA: 800

R: 5

ORDER: 6.0

MDA: NNU49/800

49 type
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