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Roller Bearing - Sealed, Caged, NAU Series

Volume Discount

IKO

IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.

These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.

Part Number

Configured Part Number is shown.

NAU4908UU

Product Specifications
Part Numbers
Catalog

Shaft dia. mm	Identification number	Mass (Ref.) g	Boundary dimensions mm					E_w	Basic dynamic load rating C N	Basic static load rating C₀ N	Allowable rotational speed rpm
Shaft dia. mm	Caged type	Mass (Ref.) g	d	D	C	r_s min	J	E_w	Basic dynamic load rating C N	Basic static load rating C₀ N	Allowable rotational speed rpm
10	-	25.5	10	22	13	0.30	15.5	19.5	9 650	10 800	10 000
12	-	28.5	12	24	13	0.30	17.0	21.0	10 300	12 000	9 000
15	- -	38 80.5	15 15	28 33	13 20	0.3 0.3	21 19.5	25 27	11 800 10 400	15 200 10 400	7 000 9 500
17	- -	41 100	17 17	30 34	13 25	0.3 0.3	22.5 21.5	26.5 29.5	12 300 18 000	16 500 21 600	6 500 8 500
20	- NAU 4904UU - -	76.5 76 96.5 122	20 20 20 20	37 37 38 38	17 17 20 25	0.3 0.3 0.3 0.3	24 24 25 25	31.5 31.5 32.5 32.5	15 600 10 700 12 100 18 700	18 900 11 300 13 400 23 600	5 500 8 000 7 500 7 500
25	- NAU 4905UU -	89.5 89 154	25 25 25	42 42 44	17 17 25	0.3 0.3 0.3	29.5 29.5 30.5	37 37 38	17 500 11 900 21 000	23 200 13 900 28 900	4 500 6 500 6 000
28	-	173.0	28	45	30	0.30	31.5	39.5	28 700	43 800	6 000
30	- NAU 4906UU -	103 102 197	30 30 30	47 47 48	17 17 30	0.3 0.3 0.3	34 34 35	41.5 41.5 42.5	19 400 13 000 29 400	27 600 16 200 46 600	4 000 5 500 5 500
32	-	260.0	32	52	30	0.60	38.0	46.0	29 800	44 200	5 000
35	- NAU 4907UU -	172 168 270	35 35 35	55 55 56	20 20 30	0.6 0.6 0.6	40 40 40	49 49 49	28 700 19 500 32 200	43 800 26 300 49 800	3 500 4 500 4 500
40	- - NAU 4908UU	225 265 220	40 40 40	62 59 62	22 30 22	0.6 0.6 0.6	46 45 46	56 52.5 56	34 600 34 700 23 400	49 500 62 500 29 400	3 000 4 000 4 000
42	-	290.0	42	62	30	0.60	48.0	56.5	34 600	57 800	4 000
45	- - NAU 4909UU	265 295 260	45 45 45	68 64 68	22 30 22	0.6 0.6 0.6	51 50.5 51	61 58.5 61	36 400 32 600 24 800	54 700 59 700 32 800	2 500 3 500 3 500
50	- NAU 4910UU -	270 265 710	50 50 50	72 72 77	22 22 45	0.6 0.6 1	55.5 55.5 58	65.5 65.5 69	38 200 26 200 75 700	59 900 36 200 134 000	2 500 3 500 3 500
55	- NAU 4911UU -	395 385 615	55 55 55	80 80 81	25 25 38	1 1 1	61.5 61.5 61.5	72.5 72.5 72.5	48 100 33 000 61 400	77 700 47 000 104 000	2 000 3 000 3 000
60	- NAU 4912UU -	425 415 880	60 60 60	85 85 89	25 25 45	1 1 1	67 67 69.5	77.5 77.5 81.5	50 300 34 700 88 100	84 300 51 400 152 000	2 000 3 000 3 000
65	- NAU 4913UU	455 440	65 65	90 90	25 25	1 1	72 72	83 83	53 200 36 900	93 000 57 100	1 900 2 500
70	- NAU 4914UU	725 705	70 70	100 100	30 30	1 1	79 79	91.5 91.5	77 700 53 700	139 000 84 600	1 800 2 500
75	- NAU 4915UU -	775 750 1 240	75 75 75	105 105 108	30 30 45	1 1 1	83.5 83.5 85.5	95.5 95.5 98.5	80 000 54 800 103 000	146 000 88 200 190 000	1 700 2 500 2 000
80	- NAU 4916UU	815 790	80 80	110 110	30 30	1 1	89.5 89.5	102 102	83 000 57 200	157 000 95 500	1 600 2 000
85	- - NAU 4917UU -	1 190 1 530 1 150 1 500	85 85 85 85	120 118 120 120	35 50 35 45	1.5 1 1.5 1.5	96 94.5 96 96.5	110 107.5 110 110	111 000 114 000 75 400 110 000	200 000 222 000 120 000 215 000	1 500 2 000 2 000 2 000
90	- NAU 4918UU -	1 250 1 210 1 740	90 90 90	125 125 125	35 35 50	1.5 1.5 1.5	101 101 101	115.5 115.5 114	114 000 79 500 119 000	211 000 130 000 240 000	1 400 1 900 1 900
95	- NAU 4919UU	1 300 1 270	95 95	130 130	35 35	1.5 1.5	106 106	120.5 120.5	117 000 81 000	222 000 136 000	1 300 1 800
100	- - NAU 4920UU	1 850 1 900 1 770	100 100 100	140 135 140	40 50 40	1.5 1.5 1.5	114.5 112 114.5	129.5 125.5 129.5	152 000 124 000 106 000	292 000 264 000 181 000	1 200 1 700 1 700
105	-	2 890	105	153	50	1.50	120.0	138.0	159 000	286 000	1 600
110	- NAU 4922UU	2 010 1 930	110 110	150 150	40 40	1.5 1.5	123 123	138.5 138.5	161 000 113 000	322 000 200 000	1 100 1 600
120	- NAU 4924UU	2 780 2 680	120 120	165 165	45 45	1.5 1.5	136 136	153.5 153.5	208 000 146 000	431 000 268 000	1 000 1 400
125	-	4 490	125	178	60	1.50	143.5	162.0	211 000	408 000	1 400
130	- NAU 4926UU	3 750 3 610	130 130	180 180	50 50	2 2	147 147	165.5 165.5	240 000 166 000	495 000 304 000	950 1 300
135	-	4 790	135	188	60	1.50	154.0	172.5	220 000	442 000	1 300
140	- NAU 4928UU	3 990 3 840	140 140	190 190	50 50	2 2	157.5 157.5	176 176	249 000 174 000	531 000 327 000	900 1 200

: 30; 45; 60

Part Number
NAU4908UU

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS
	1 Piece(s)	Available	51 Days	10

Product TOP

Basic Information

Raceway Ring Shape	Cylindrical Roller	Load Direction	Radial / Thrust	I.D. d(Ø)	40
O.D. D(Ø)	62	Width B(mm)	22	Inner/Outer Ring Material	Steel
Outer Ring	With Outer Ring	Number of Raceway Ring Rows	Double Row	Size Standards	Metric System
Specifications	Standard / Abrasion Resistance / For high Speed	Rolling Element Material	Steel	Outer Ring Type	Semicircular Grooved
Rotational Speed(rpm)	4000	Basic Load Rating, Dynamic Rating(N)	23400	Basic Load Rating, Static Rating(N)	29400
Basic Load Rating, Dynamic Rating (Ca)(N)	23400	Basic Load Rating, Static Rating (Coa)(N)	29400	Format of Shaft Bearing	Holder Mounted
Shield Shape	Closed Type	the Number of Oil Holes of Inner Wheel(piece)	0

Please check the type/dimensions/specifications of the part NAU4908UU in the Roller Bearing - Sealed, Caged, NAU Series series.

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