AMERICAN NTN BEARING MFG.CORP.

Double Row Bearings

Two-row, or double-row, cylindrical bearings are designed for additional strength in carrying radial loads. These bearing types are interchangeable so the dimensions and diameter under the rollers (NNU style) and diameter over the rollers (NN style) are held to an ISO/DIN standard.The raceways in these bearings are positioned off-center to handle angular (combined radial and thrust) loads. Double-row bearings handle thrust loads in both directions. Open bearings dissipate heat more efficiently than shielded and sealed bearings.

 

Double Row Angular Contact Ball Bearings have two seprate rows of balls arranged back-to-back. The lines of action of the load at the contact between balls and raceways (load lines) diverge at the bearing axis and form an angle of 30° to the radial plane. 

 

NTN  413056 Double Row Bearings
30
22
NTN  3231/500G2 Double Row Bearings
2000 r/min
65 mm
NTN  3230/500 Double Row Bearings
94,4 kN
20,1
NTN  CRD-8808 Double Row Bearings
5.1 mm
40900 lbf
NTN  413072 Double Row Bearings
Timken
DL 6 10
NTN  CRI-2855 Double Row Bearings
30
30 mm
NTN  CRI-5615 Double Row Bearings
100
75,5 kN
NTN  423092 Double Row Bearings
167 mm
98,425
NTN  413092 Double Row Bearings
12,7 mm
FAG
NTN  CRD-6136 Double Row Bearings
Open
322 mm
NTN  LM446349/LM446310D+A Double Row Bearings
NJ220-E-MA6+HJ220-E
34
NTN  CRI-2554 Double Row Bearings
10
0,053 Kg
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Ball Bearings
CYLINDRICAL ROLLER BEARINGS ONE-ROW METRIC ISO SERIES
Double Row Bearings
Four Row Bearings  
FULL-COMPLEMENT CYLINDRICAL ROLLER BEARINGS
Multi-Row Roller Bearings  
Sealed roll neck Bearings
Single Row Bearings
SINGLE-DIRECTION THRUST BALL BEARINGS
SPHERICAL ROLLER BEARINGS
Lm8luu Bearing
6003 Bearing
Lm10uu Bearing
L44649 Bearing