SKF Needle Roller Bearing Rna Rna4902 Without Inner Ring

Model NO.: RNA4902

Certificate: ISO9001

Inner Diameter: 20 mm

Outer Diameter: 28 mm

Width: 13 mm

Mass Kg: 0.0217

Rolling Body: Roller Bearings

The Number of Rows: Single

Outer Dimension: Small (28-55mm)

Spherical: Non-Aligning Bearings

Separated: Separated

Trademark: SKF

Transport Package: Single Box

Specification: P0, P6, P5

Origin: Sweden

HS Code: 84824000

Model NO.: RNA4902

Certificate: ISO9001

Inner Diameter: 20 mm

Outer Diameter: 28 mm

Width: 13 mm

Mass Kg: 0.0217

Rolling Body: Roller Bearings

The Number of Rows: Single

Outer Dimension: Small (28-55mm)

Spherical: Non-Aligning Bearings

Separated: Separated

Trademark: SKF

Transport Package: Single Box

Specification: P0, P6, P5

Origin: Sweden

HS Code: 84824000

SKF Needle Roller Bearing RNA RNA4902 Without Inner Ring

1. Instruction of Needle Roller Bearings:
Needle roller bearingsÂ are roller bearings with cylindrical rollers that are small in diameter. In spite of their low cross section, needle roller bearings have a high load carrying capacity and are therefore extremely suitable for bearing arrangements where radial space is limited.

2.Â NeedleÂ rollerÂ bearingsÂ designÂ include:

-Â DrawnÂ CupÂ NeedleÂ RollerÂ Bearings
-Â SolidÂ CupÂ NeedleÂ RollerÂ Bearings
-Â CageÂ andÂ NeedleÂ RollerÂ Assemblies
-Â InnerÂ ringsÂ forÂ NeedleÂ RollerÂ Bearings
-Â CamÂ andÂ RollerÂ Followers
-Â NeedleÂ Rollers
-Â NeedleÂ RollerÂ ThrustÂ Bearings
-Â CombinedÂ NeedleÂ RollerÂ Bearings
ModelÂ HK,Â TA,Â TLA,Â open-endÂ drawnÂ cupÂ needleÂ rollerÂ bearingsÂ withÂ retainer,
ModelÂ BKÂ close-endÂ drawnÂ cupÂ needleÂ rollerÂ bearingÂ withÂ retainer,
ModelÂ SCE,Â BA,Â J,Â JH,Â drawnÂ cupÂ needleÂ rollerÂ bearingsÂ (InchÂ series).Â

3. Application:

AutomotiveÂ transmissions,Â air-conditionerÂ compressors,Â bulldozerÂ blades,Â

overheadÂ travelingÂ cranes,Â gearboxes,Â machineÂ toolÂ spindles,Â copyingÂ machinesÂ andÂ manyÂ more.Â

4. General Drawings of some types of Needle Roller Bearings:

SKF Needle Roller Bearing Rna Rna4902 Without Inner Ring

5. More Part Numbers of Needle Roller Bearings We Produce:

Â

model	inner diameter	outer diameter	width
HJ101812	15.8750	28.5750	19.0500
HJ101816	15.8750	28.5750	25.4000
HJ122012	19.0500	31.7500	19.0500
HJ122016	19.0500	31.7500	25.4000
HJ142212	22.2250	34.9250	19.0500
HJ142216	22.2250	34.9250	25.4000
HJ162412	25.4000	38.1000	19.0500
HJ162416	25.4000	38.1000	25.4000
HJ182616	28.5750	41.2750	25.4000
HJ182620	28.5750	41.2750	31.7500
HJ202816	31.7500	44.4500	25.4000
HJ202820	31.7500	44.4500	31.7500
HJ223016	34.9750	47.6250	25.4000
HJ223020	34.9250	47.6250	31.7500
HJ243316	38.1000	52.3875	25.4000
HJ243320	38.1000	52.3875	31.7500
HJ263516	41.2750	55.5625	25.4000
HJ263520	41.2750	55.5625	31.7500
HJ283716	44.4500	58.7375	25.4000
HJ283720	44.4500	58.7375	31.7500
HJ303920	47.6250	61.9125	31.7500
HJ324116	50.8000	65.0875	25.4000
HJ324120	50.8000	65.0875	31.7500
HJ364824	57.1500	76.2000	38.1000
HJ364828	57.1500	76.2000	44.4500
HJ405224	63.5000	82.5500	38.1000
HJ405228	63.5000	82.5500	44.4500
HJ445616	69.8500	88.9000	25.4000
HJ445624	69.8500	88.9000	38.1000
HJ445628	69.8500	88.9000	44.4500
HJ486024	76.2000	95.2500	38.1000
HJ486028	76.2000	95.2500	44.4500
HJ526828	82.5500	Â	44.4500
HJ567232	88.9000	Â	50.8000
HJ607632	95.2500	Â	50.8000

ShaftÂ diameter	BearingÂ Modle		weight	Â Dimension				RatedÂ loadÂ		Â
ShaftÂ diameter	BearingÂ Modle		Mass	Â	Â	Â	Â	Â	Â	Â
Shaft	BearingÂ Designation		ApproximateÂ value	BoundaryDimensions				BasicLoadRating		LimitingÂ Speed
Diameter	Â	Â	Approx	d	Fw	D	B	Â	Â	Â Oil
Diameter	Â	Â	Approx	d	Fw	D	B	Dynamic	Static	Â Oil
mm	CurrentCode	OriginalCode	g	mm				N		rpm
5	NA495	Â	7	5	Â	13	10	2670	2350	34000
5	NA495TN	Â	7	5	Â	13	10	2670	2350	34000
6	NA496	Â	9	6	Â	15	10	3150	3000	32000
7	NA497	Â	12	7	Â	17	10	3600	3650	30000
8	NKI8/16	Â	Â	8	14	25	16	12400	11300	21500
8	NA498	Â	16	8	Â	19	11	4300	3950	28000
9	NKI9/12	Â	16.6	9	12	19	12	6200	7000	21700
	NA499	Â	17	9	Â	20	11	4850	4900	26000
	NKI9/16	Â	21.9	9	Â	19	16	Â	Â	Â
10	NKI10/16	Â	27.3	10	14	22	16	9800	10500	19650
	NA4900	4524900	21	10	14	22	13	8000	9000	23700
	NA6900	6534900	38.4	10	14	22	22	9000	11000	23700
12	NA4901	4524901	25.1	12	16	24	13	9000	10800	20000
	NKI12/20	Â	39	12	16	24	20	14000	18400	21000
	NA6901	6534901	44.5	12	16	24	22	6000	21600	20000
	NKIS12	Â	58	12	18	30	16	16000	17000	20000
	NA12X32X15V	Â	Â	12	Â	32	15	Â	Â	Â
15	NKI15/16	Â	38	15	19	27	16	8800	12800	19100
	NKI15/20	Â	45.7	15	19	27	20	12300	19000	19100
	NA4902	4924902	32	15	20	28	13	6400	9000	18000
	NA6902	6534902	61.6	15	20	28	23	13100	20900	18000
	NKIS15	Â	90	15	22	35	20	23500	24000	17000
	NA5902	Â	52	15	20	28	18	Â	Â	Â
	NAI53212	Â	Â	15	Â	32	12	Â	Â	Â
	74802	74802	Â	15	Â	36	25.4	Â	Â	Â
16	NKIS16	Â	Â	16	Â	28	16	13000	17400	22000
16	NA16X36X24	Â	Â	16	Â	36	24	Â	Â	Â
17	NKI17/16	Â	41.1	17	21	29	16	13000	18200	20000
	NA4903	4544903	32.8	17	22	30	13	7000	10000	17000
	NA6903	6534903	68.2	17	22	30	23	14400	24900	17000
	NA5903	Â	56	17	22	30	18	15200	21700	18000
	NA17	Â	Â	17	Â	37	20	Â	Â	Â
20	NKI20/16	Â	48.5	20	24	32	16	10800	17000	16700
	NA4904	4524904	70.2	20	25	37	17	21000	25000	17000
	NKIS20	Â	119	20	28	42	20	28000	35500	15000
	NA6904	6254904	Â	20	25	37	30	36000	51000	17000
	NA5904	Â	Â	20	25	37	23	Â	Â	Â
22	NKI22/16	Â	50	22	26	34	16	15300	23600	17000
	NA49/22	Â	76	22	28	39	17	22000	29500	15000
	NA69/22	Â	130	22	28	39	30	37500	55000	15000
	NA223934	Â	Â	22	28	39	34	Â	Â	Â
23	NA2020	Â	Â	23	Â	42	22	Â	Â	Â
25	NKI25/30	Â	115	25	29	38	30	31500	56000	14000
	NA4905	4524905	76	25	30	42	17	23600	31500	14000
	NA6905	6534905	138	25	30	42	30	29000	59000	14000
	NKIS25	Â	160	25	32	47	22	32000	55000	13000
	Â	F-208277	Â	25	32	47	22	Â	Â	Â
	NKl25/20	Â	Â	25	29	38	20	21900	34000	15000
	NA5905	Â	139	25	30	42	23	30500	43000	13000
28	NA49/28	45449/28	98	28	32	45	17	24000	33500	14000
	NA69/28	Â	170	28	32	45	30	40500	63000	14000
	NKI28/20	Â	Â	28	32	42	20	23000	37500	14000
30	NA4906	4544906	115	30	35	47	17	25000	35500	13000
	NA5906	6534906	152	30	35	47	23	Â	Â	Â
	NA6906	Â	Â	30	35	47	30	43500	71000	13000
	NKI30/20	Â	Â	30	35	45	20	24000	42500	13000
	NKI30/30	Â	Â	30	35	45	30	36500	69000	13000
32	NK132/20	Â	Â	32	37	47	20	24900	43900	12000
	Â	TAFI324720	Â	32	37	47	20	24900	43500	12000
	NA49/32	45449/32	150	32	40	52	20	24900	43500	12000
	NA69/32	66349/32	272	32	40	52	36	100000	100000	11000
35	NKI35/30	Â	165	35	40	50	30	39000	79000	11000
	NA4907	4524907	151	35	42	55	20	19800	41500	11000
	NA6907	6534907	301	35	42	55	36	26000	60500	11000
	NKIS35	Â	220	35	43	58	22	33000	56000	9500
	NA5907	Â	256	35	42	55	27	Â	Â	Â
40	NKI40/20	Â	124	40	45	55	20	22000	48000	10000
	NKI40/30	Â	184	40	45	55	30	35000	86000	10000
	NA4908	4544908	240	40	48	62	22	42000	65000	8500
	NA6908	Â	401	40	48	62	40	64000	112000	8500
	NA5908	Â	348	40	48	62	30	53000	92500	8500
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