Yoke type track roller with inner ring NNTR55X140X70-2ZL-B

Designation	Dimension	Remark
d	55.00 mm	shaft diameter
d₂	73.00 mm	stop diameter of the thrust washer
d₃	4.00 mm	Diameter lubrication hole
D	140.00 mm	outer diameter
D₁	91.00 mm	connection dimension
B	70.00 mm	width
C	68.00 mm	width outer ring
r_min.	3.00 mm	min. edge distance
r_{1 min.}	2.00 mm	min. edge distance

Designation	Dimension	Remark
C_r	226,000 N	dynamic load rating, radial
C_0r	315,000 N	static load rating, radial
C_ur	44,500 N	fatigue limit load, radial
n_G	850 min^-1	limit speed
	6.400 kg	Weight

Designation	Dimension									Performance data
	d	d₂	d₃	D	D₁	B	C	r_min	r_1min	C_r	C_0r	C_ur	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1
NNTR50X130X65-2ZL-B	50.00	63.00	3.00	130.00	80.00	65.00	63.00	3.00	2.00	193,000	265,000	37,000	1,100
NNTR55X140X70-2ZL-B	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
NNTR60X150X75-2ZL-B	60.00	78.00	4.00	150.00	97.00	75.00	73.00	3.00	2.00	255,000	365,000	53,000	800
NNTR65X160X75-2ZL-B	65.00	82.00	5.00	160.00	103.00	75.00	73.00	3.00	2.00	280,000	395,000	56,000	700
NNTR70X180X85-2ZL-B	70.00	92.00	5.00	180.00	115.00	85.00	83.00	3.00	2.00	355,000	510,000	75,000	600
NNTR80X200X90-2ZL-B	80.00	102.00	5.00	200.00	127.00	90.00	88.00	4.00	2.00	415,000	610,000	87,000	500
NNTR90X220X100-2ZL-B	90.00	119.00	5.00	220.00	146.00	100.00	98.00	4.00	2.50	500,000	750,000	104,000	400
NNTR100X240X105-2ZL-B	100.00	132.00	6.00	240.00	160.00	105.00	103.00	4.00	2.50	560,000	870,000	118,000	340
NNTR110x260x115-2ZL-B	110.00	143.00	6.00	260.00	174.00	115.00	113.00	4.00	2.50	670,000	1,050,000	143,000	300
NNTR120X290X135-2ZL-B	120.00	155.00	8.00	290.00	191.00	135.00	133.00	4.00	3.00	880,000	1,400,000	187,000	260
NNTR130x310x146-2ZL-B	130.00	165.00	8.00	310.00	204.00	146.00	144.00	5.00	3.00	1,010,000	1,630,000	216,000	240

Designation	Dimension									Performance data
	d	d₂	d₃	D	D₁	B	C	r_min	r_1min	C_r	C_0r	C_ur	n_G
	mm	mm	mm	mm	mm	mm	mm	mm	mm	N	N	N	min^-1
NNTR55X140X70-2ZL	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
NNTR55X120X43-2ZL	55.00	73.00	4.00	120.00	91.00	43.00	40.00	3.00	2.00	170,000	260,000	36,700	850
SNNTR55X140X70-2ZL	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
NNTR55X140X70-2ZL-B	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
NNTR55X140X70-2ZL-UG	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
SNNTR55X140X70-2ZL-UG	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850
NNTR55X140X70-2ZL-B-UG	55.00	73.00	4.00	140.00	91.00	70.00	68.00	3.00	2.00	226,000	315,000	44,500	850

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Name	Brand	Webshop	Notice
NNTR55X140X70-2ZL-B	HFH		Premium quality, house brand

Properties	Suffix	Description
Sealing	2ZL	Cover discs with lamella ring
Outer surface (Bearing)	-	spherical
Type of rolling elements	-	full complement cylindrical roller set with middle bord
Axial guide	-	yes
Lubricant	-	NLGI grade 3 lithium complex soap grease

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