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Needle Roller Bearing - Sealed Both Sides, With Inner Ring, Machined, NA49 Series (NA4910UU)

Volume Discount

IKO

IKO Machined Type Needle Roller Bearings are bearings with a low sectional height and large load ratings. The outer ring has high rigidity and can easily be 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.

NA4910UU

Product Specifications
Part Numbers
Catalog

Shaft dia. mm	Identification number		Mass (Ref.) g	Boundary dimensions mm						Standard mounting dimensions mm			Basic dynamic load rating C N	Basic static load rating C₀ N	Allowable rotational speed rpm	Assembled inner ring
	With two seals	With one seal		d	D	C	B	r_s min	F_w	d_a		D_a Max.
	With two seals	With one seal		d	D	C	B	r_s min	F_w	Min.	Max.	D_a Max.
10	NA 4900UU	NA 4900U	24.5	10	22	13	14	0.3	14	12	13	20	8 080	8 490	14 000	LRTZ 101414
12	NA 4901UU -	NA 4901U -	27.5 45.5	12 12	24 24	13 22	14 23	0.3 0.3	16 16	14 14	15 15	22 22	8 470 15 500	9 320 20 400	12 000 12 000	LRTZ 121614 LRTZ 121623
15	NA 4902UU -	NA 4902U -	36 62.5	15 15	28 28	13 23	14 24	0.3 0.3	20 20	17 17	19 19	26 26	9 570 18 500	11 600 27 100	9 500 9 500	LRTZ 152014 LRTZ 152024
17	NA 4903UU -	NA 4903U -	39.5 68.5	17 17	30 30	13 23	14 24	0.3 0.3	22 22	19 19	21 21	28 28	10 300 19 800	13 100 30 600	8 500 8 500	LRTZ 172214 LRTZ 172224
20	NA 4904UU -	NA 4904U -	78.5 137	20 20	37 37	17 30	18 31	0.3 0.3	25 25	22 22	24 24	35 35	18 000 33 000	20 500 44 600	7 500 7 500	LRTZ 202518 LRTZ 202531
22	NA 49/22UU -	NA 49/22U -	87.5 153	22 22	39 39	17 30	18 31	0.3 0.3	28 28	24 24	27 27	37 37	18 300 33 800	23 700 52 000	7 000 7 000	LRTZ 222818 LRTZ 222831
25	NA 4905UU -	NA 4905U -	92.5 162	25 25	42 42	17 30	18 31	0.3 0.3	30 30	27 27	29 29	40 40	20 300 39 200	25 100 58 700	6 500 6 500	LRTZ 253018 LRTZ 253031
28	NA 49/28UU -	NA 49/28U -	101 177	28 28	45 45	17 30	18 31	0.3 0.3	32 32	30 30	31 31	43 43	21 000 38 900	26 800 59 100	6 000 6 000	LRTZ 283218 LRTZ 283231
30	NA 4906UU -	NA 4906U -	106 185	30 30	47 47	17 30	18 31	0.3 0.3	35 35	32 32	34 34	45 45	21 500 40 100	28 400 63 000	5 500 5 500	LRTZ 303518 LRTZ 303531
32	NA 49/32UU -	NA 49/32U -	167 300	32 32	52 52	20 36	21 37	0.6 0.6	40 40	36 36	39 39	48 48	29 400 50 300	44 200 88 300	5 000 5 000	LRTZ 324021 LRTZ 324037
35	NA 4907UU -	NA 4907U -	179 320	35 35	55 55	20 36	21 37	0.6 0.6	42 42	39 39	41 41	51 51	30 100 51 600	46 300 92 600	4 500 4 500	LRTZ 354221 LRTZ 354237
40	NA 4908UU -	NA 4908U -	245 440	40 40	62 62	22 40	23 41	0.6 0.6	48 48	44 44	47 47	58 58	37 200 63 700	58 400 117 000	4 000 4 000	LRTZ 404823 LRTZ 404841
45	NA 4909UU -	NA 4909U -	290 520	45 45	68 68	22 40	23 41	0.6 0.6	52 52	49 49	51 51	64 64	38 900 66 600	63 400 127 000	3 500 3 500	LRTZ 455223 LRTZ 455241
50	NA 4910UU -	NA 4910U -	295 530	50 50	72 72	22 40	23 41	0.6 0.6	58 58	54 54	57 57	68 68	41 300 70 800	71 100 142 000	3 500 3 500	LRTZ 505823 LRTZ 505841
55	NA 4911UU -	NA 4911U -	415 730	55 55	80 80	25 45	26 46	1 1	63 63	60 60	61 61	75 75	52 200 89 400	85 700 171 000	3 000 3 000	LRTZ 556326 LRTZ 556346
60	NA 4912UU -	NA 4912U -	445 785	60 60	85 85	25 45	26 46	1 1	68 68	65 65	66 66	80 80	54 500 93 400	92 800 186 000	3 000 3 000	LRTZ 606826 LRTZ 606846
65	NA 4913UU -	NA 4913U -	475 845	65 65	90 90	25 45	26 46	1 1	72 72	70 70	70.5 70.5	85 85	56 800 97 400	99 800 200 000	2 500 2 500	LRTZ 657226 LRTZ 657246
70	NA 4914UU -	NA 4914U -	770 1 400	70 70	100 100	30 54	31 55	1 1	80 80	75 75	78 78	95 95	76 900 124 000	143 000 281 000	2 500 2 500	LRTZ 708031 LRTZ 708055
75	NA 4915UU -	NA 4915U -	815 1 480	75 75	105 105	30 54	31 55	1 1	85 85	80 80	83 83	100 100	79 600 128 000	153 000 299 000	2 000 2 000	LRTZ 758531 LRTZ 758555
80	NA 4916UU -	NA 4916U -	860 1 570	80 80	110 110	30 54	31 55	1 1	90 90	85 85	88 88	105 105	80 700 132 000	158 000 317 000	2 000 2 000	LRTZ 809031 LRTZ 809055
85	NA 4917UU -	NA 4917U -	1 300 2 360	85 85	120 120	35 63	36 64	1.1 1.1	100 100	91.5 91.5	98 98	113.5 113.5	103 000 168 000	225 000 448 000	1 900 1 900	LRTZ 8510036 LRTZ 8510064
90	NA 4918UU -	NA 4918U -	1 360 2 480	90 90	125 125	35 63	36 64	1.1 1.1	105 105	96.5 96.5	103 103	118.5 118.5	106 000 172 000	238 000 471 000	1 800 1 800	LRTZ 9010536 LRTZ 9010564
95	NA 4919UU -	NA 4919U -	1 420 2 600	95 95	130 130	35 63	36 64	1.1 1.1	110 110	101.5 101.5	108 108	123.5 123.5	109 000 177 000	250 000 493 000	1 700 1 700	LRTZ 9511036 LRTZ 9511064
100	NA 4920UU	NA 4920U	1 980	100	140	40	41	1.1	115	107	113	134	134 000	297 000	1 700	LRTZ 10011541
110	NA 4922UU	NA 4922U	2 150	110	150	40	41	1.1	125	117	123	144	140 000	322 000	1 500	LRTZ 11012541
120	NA 4924UU	NA 4924U	2 990	120	165	45	46	1.1	135	127	133	159	178 000	410 000	1 400	LRTZ 12013546
130	NA 4926UU	NA 4926U	4 080	130	180	50	51	1.5	150	138	148	172	206 000	511 000	1 300	LRTZ 13015051
140	NA 4928UU	NA 4928U	4 340	140	190	50	51	1.5	160	148	158	182	214 000	549 000	1 200	LRTZ 14016051

: 30; 45; 60

Part Number
NA4910UU

Part Number	Minimum order quantity	Volume Discount	Days to Ship	RoHS	I.D. d (Ø)	O.D. D (Ø)	Width B (mm)	Rotational Speed (rpm)	Basic Load Rating, Dynamic Rating (N)	Basic Load Rating, Static Rating (N)	Basic Load Rating, Dynamic Rating (Ca) (N)	Basic Load Rating, Static Rating (Coa) (N)
	1 Piece(s)	Available	8 Days	-	50	72	23	3500	41300	71100	-	-

Product TOP

Basic Information

Raceway Ring Shape	Needle Roller	Load Direction	Radial	Inner/Outer Ring Material	Steel
Outer Ring	With Outer Ring	Number of Raceway Ring Rows	Single Row	Size Standards	Metric System
Specifications	Standard / Abrasion Resistance / For high Speed	Rolling Element Material	Steel	Outer Ring Type	Semicircular Grooved
Format of Shaft Bearing	Holder Mounted	Closed Type	Double-sided Closed Type	Shield Shape	With Inner Wheel
the Number of Oil Holes of Inner Wheel(piece)	0

Configure

1 Part Numbers

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Configure Remaining Specifications

Completed

Specification/Dimensions

type
- NAUU+LRTZ
Clear
I.D. d(Ø)
10

12

15

17

20

22

25

28

30

32

35

40

45

50

55

60

65

70

75

80

85

90

95

100

110

120

130

140
Clear
O.D. D(Ø)
22

24

28

30

37

39

42

45

47

52

55

62

68

72

80

85

90

100

105

110

120

125

130

140

150

165

180

190
Clear
Width B(mm)
14

18

21

23

26

31

36

41

46

51
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

8 Days or Less

10 Days or Less

11 Days or Less

51 Days or Less
Clear

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The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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