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 430324XU Double Row Bearings	1.1 mm	Cylindrical Bore	1 mm	30.2 mm
NTN CRD-8039 Double Row Bearings	220	318	220RJ30	Timken
NTN 423124 Double Row Bearings	44,45 mm	SCE2812	44,45	19,05 mm
NTN 4130360 Double Row Bearings	42 mm	BT1B 639417/Q	147 mm	100
NTN 323196 Double Row Bearings	35 mm	62	No	8482.10.50.68
NTN 432236U Double Row Bearings	CX488	MERCEDES / G-Class	713667030	VKBA 3435
NTN LL365340/LL365310D+A Double Row Bearings	140 mm	CR - Phenolic Outer	179.200 mm	190 mm
NTN M274149D/M274110G2+A Double Row Bearings	Fersa	112,712	112,712 mm	66.675x112.712x30.16
NTN CRD-6113 Double Row Bearings	18 mm	33 mm	M20x1,5	102 mm
NTN LM272249D/LM272210G2+A Double Row Bearings	0.014	K20X26X13H	26	26 mm
NTN M262449D/M262410+A Double Row Bearings	65 mm	79	65x115x79	0.6 mm
NTN 430321X Double Row Bearings	19,9 kN	1,1 mm	22 mm	28 000 r/min