Double Row Bearings

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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.

Bearing Number	Bore Dia	Outer DIa	Width	Size
NTN T-EE640192/640261DG2+A Double Row Bearings	3,95	1600 r/min	3,86	870 kN
NTN CRD-4019 Double Row Bearings	Ball Bearing	NACHI	49,500 N	75
NTN T-87737/87112D+A Double Row Bearings	92,1 Kg	40 °	1 530 kN	4 mm
NTN CRI-3618 Double Row Bearings	38	200 mm	110	110 mm
NTN 413172 Double Row Bearings	12	15 000 r/min	7,3 kN	20 000 r/min
NTN EE127095/127136D+A Double Row Bearings	0,3 mm	10	0,029 Kg	16 mm
NTN T-67983/67920D+A Double Row Bearings	CX	NJ419	95	13,96 Kg
NTN M281649D/M281610G2+A Double Row Bearings	4,2 Kg	150 mm	7 °	55 mm
NTN CRD-7612 Double Row Bearings	VKBA 3617	R155.70	5570	OPEL / VIVARO / eng
NTN 4130/530 Double Row Bearings	24 mm	70	125 mm	24
NTN 423124 Double Row Bearings	1.16 in	2	1300	4860 lbf
NTN 430322U Double Row Bearings	80	55000 N / Static loa	121,3 mm	FAG