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 EE222070/222127D+A Double Row Bearings	65x140x48	NJ2313 E	48 mm	3800 r/min
NTN T-93750/93127D+A Double Row Bearings	280,000	300,000 mm	560,000 mm	280,000 mm
NTN T-M272749/M272710DG2+A Double Row Bearings	340 mm	353 mm	NTN	340x460x118
NTN CRD-5403 Double Row Bearings	20	20	12 mm	20 mm
NTN CRD-9204 Double Row Bearings	Cylindrical Bore	241 mm	1,500 rpm	1,870,000 N
NTN M284249D/M284210G2+A Double Row Bearings	0.095	0.072	0.0033	30
NTN CRD-4811 Double Row Bearings	2.8 mm	1.14	71.88 mm	19.050 mm
NTN 3231/500G2 Double Row Bearings	50x110x40	50 mm	110 mm	61,8 kN
NTN CRD-5217 Double Row Bearings	65 mm	0.35	0.3	3.56 kg
NTN 413164 Double Row Bearings	15 mm	15	FJLT-812	12
NTN 430321X Double Row Bearings	165.9 mm	Medium-Duty	11700 lbf	GN207KRRB
NTN CRD-4804 Double Row Bearings	21,463 mm	65,088 mm	65,088	55,8 kN