NTB1831 Thrust Needle Roller Bearing 18x31x2mm

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NTB1831

Bore Diameter:18 mm

Outside Diameter:31 mm

Width:2 mm

Weight:0.0047 kg

The NTB1831 bearing is a Thrust Needle Roller Bearing with an inner diameter of 18 mm , an outer diameter of 31 mm, a width of 2 mm. It typically uses P0 P6 P5 P4 P2 grade precision tolerances and together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

18 mm

Outside Diameter:

31 mm

Thickness:

2 mm

Weight:

0.0047 KG

Specifications:

Structure:

Thrust Needle Roller Bearing

Brand:

Neutral or OEM

Precision Rating:

P0 P6 P5 P4 P2

Bearing Material:

bearing steel Gcr15

Transaction Information:

Payment term:

TT ,PAYPAL ,Western Union

Delivery time:

according your quantity

Detailed description

Item No : NTB1831 Thrust Needle Roller Bearing 18x31x2mm

Thrust Needle Roller Bearing, Series AXK, AXW, AX TC, NTB
Thrust Parallel Roller Bearing, Series 811, 812, 893, 874, 894

The thrust needle roller bearing or thrust parallel roller bearing is such a manner that the needles (rollers) with cage are set up in the space between rollway and collar and the cage reliably guides and clamps a lot of rolling bodies. There is a little difference among the rolling bodies in the same set. The thrust needle roller bearing or thrust parallel roller bearing is the one only supporting the axial load in one direction. It is used as the bearing allocation having the good rigidity and axial small space.
Thrust Collar, Shaft Ring and Seat Ring

Thrust Collar, Series AS, LS, GS, WS, ZS, TRA, TRB, TRC TRD.
Series AS thrust collar is punched with the high quality steel spring plate in thickness of 1mm and quenched and polished. When the surface of the adjacent parts can not be acted as rollway, although it has a good rigidity, Series AS collar shall play its full action.

Series GS, WS, LS thrust collars are made of bearing steel with the quenching process. The outer surface of GS seat ring and the inner surface of WS shaft ring are ground. Series LS thrust collar is an economic product with machining the outer and inter surfaces.

As for Series ZS thrust collar, when it is required for assembly to set up the bearing as bidirectional location, the series ZS collar can be used as axial location or seat hole location.

Shaft
Diameter

Axial Needle Roller and Cage Assemblies Code

Dimension (mm )

Basic Load Rating

Limiting Speed
r/min

Axial Needle Roller and Cage Assemblies

Mass
g

Thrust Sheet

Mass
g

Shaft Ring

Seat Ring

Mass
g

Rs
(1)

C
kgf

Co
kgf

10	NTB1024	3.3	AS1024	2.9	WSl024	GSl024	8	10	24	2	1	2.75	0.3	14	22	800	2440	15000
12	NTB1226	3.8	AS1226	3.2	WSl226	GSl226	8.9	12	26	2	1	2.75	0.3	16	24	850	2750	13000
15	NTB1528	4.1	AS1528	3.4	WSl528	GSl528	9.3	15	28	2	1	2.75	0.3	18	26	900	3050	12000
16	NTB1629	4.3	AS1629	3.6	WSl629	GSl629	9.8	16	29	2	1	2.75	0.3	19	27	920	3200	11000
17	NTB1730	4.5	AS1730	3.7	WSl730	GSl730	10.2	17	30	2	1	2.75	0.3	20	28	950	3360	11000
18	NTB1831	4.7	AS1831	3.9	WSl831	GSl831	10.7	18	31	2	1	2.75	0.3	21	29	970	3510	10000
20	NTB2035	6.1	AS2035	5	WS2035	GS2035	13.8	20	35	2	1	2.75	0.3	23	33	1200	4740	9000
25	NTB2542	8.2	AS2542	6.9	WS2542	GS2542	21	25	42	2	1	3	0.6	29	40	1470	6600	7500
30	NTB3047	9.4	AS3047	7.9	WS3047	GS3047	24	30	47	2	1	3	0.6	34	45	1570	7470	6500
35	NTB3552	10.6	AS3552	8.9	WS3552	GS3552	31.5	35	52	2	1	3.5	0.6	39	50	1670	8350	5500
40	NTB4060	22	AS40603	12.1	WS4060	GS4060	42.5	40	60	3	1	3.5	0.6	45	57	2470	11000	5000
45	NTB4565	24.5	AS4565	13.3	WS4565	GS4565	53.5	45	65	3	1	4	0.6	50	62	2640	12400	4500
50	NTB5070	26.5	AS5070	14.5	WS5070	GS5070	58.5	50	70	3	1	4	0.6	55	67	2810	13700	4000
55	NTB5578	33.5	AS5578	18.5	WS5578	GS5578	93	55	78	3	1	5	0.6	61	75	3300	17500	4000
60	NTB6085	38.5	AS6085	22	WS6085	GS6085	105	60	85	3	1	4.75	1	66	82	3900	22300	3500
65	NTB6590	41.5	AS6590	23.5	WS6590	GS6590	124	65	90	3	1	5.25	1	71	87	4090	24100	3000
70	NTB7095	61	AS7090	25	WS7095	GS7095	132	70	95	4	1	5.25	1	75	91	4830	24900	3000
75	NTB75100	65	AS75100	26.5	WS75100	GS75100	153	75	100	4	1	5.75	1	80	96	4930	26100	3000
80	NTB80105	68.5	AS80105	28	WS80105	GS80105	162	80	105	4	1	5.75	1	85	101	5050	27200	2500
85	NTB85110	72	AS85110	29.5	WS85110	GS85110	170	85	110	4	1	5.75	1	90	106	5130	28400	2500
90	NTB90120	92	AS90120	38	WS90120	GS90120	250	90	120	4	1	6.5	1	96	116	6570	40100	2500
100	NTB100135	119	AS100135	50	WSl10135	GSl00135	350	100	135	4	1	7	1	107	131	8190	55200	2000
110	NTB110145	129	AS110145		WSl10145	GSl10145	380	110	145	4		7	1	117	141	8480	59000	2000
120	NTB120155	139	AS120155		WSl20155	GSl20155	410	120	155	4		7	1	127	151	8960	64700	1800
130	NTB130170	225	AS130170		WSl30170	GSl30170	660	130	170	5		9	1	137	165	12300	85500	1700

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NTB1831 Thrust Needle Roller Bearing 18x31x2mm

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