NNU4988K NTN Cylindrical Roller Bearing - Bearing Rolamentos do Brasil Ltda.

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Tapered Roller Bearing Cross References

db - Cone Backface Backing Diameter:2.24 in
R - Cone Backface To Clear Radius3:0.14 in
C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)1:35400 lbf
Aa - Cage-Cone Backface Clearance:0.01 in
K - Factor8:1.74
a - Effective Center Location4:-0.25 in
C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)2:9180 lbf
da - Cone Frontface Backing Diameter:1.97 in
G1 - Heat Generation Factor (Roller-Raceway):35.2
C0 - Static Radial Rating:24900 lbf
G2 - Heat Generation Factor (Rib-Roller End):14.3
Cage Type:Stamped Steel
d:1.7500 in
C1 - Dynamic Radial Rating (1 million revolutions)6:20300 lbf
Series:25500
B - Cone Width:1.0000 in
C90 - Dynamic Radial Rating (90 million revolutions)5:5270 lbf
Ab - Cage-Cone Frontface Clearance:0.06 in
Design Units:Imperial
Ca90 - Dynamic Thrust Rating (90 million revolutions)7:3020 lbf

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Bearing Rolamentos do Brasil Ltda.: AddressAv. das Industrias, 380 - Parque Industrial - CEP 83.820-332 - Fazenda Rio Grande - PR - BRAZIL; Phone(Working Time)627-6258; Fax

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