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Electric Car Steel Roller Bearings NKI 40/20 NA NKI RNA NK Series 405520mm

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Electric Car Steel Roller Bearings NKI 40/20 NA NKI RNA NK Series 405520mm

Name: Electric Car Steel Roller Bearings NKI 4020 NA NKI RNA NK Series 405520mm
Brand: HDBB
Price: 1 USD

China Electric Car Steel Roller Bearings NKI 40/20 NA NKI RNA NK Series 40*55*20mm wholesale

Brand Name : HDBB

Model Number : NKI 40/20

Certification : ISO9001 & GB307

Place of Origin : CHINA

MOQ : 10 Pcs

Payment Terms : T/T , Western Union, RMB

Supply Ability : 100,000 Pcs per Month

Delivery Time : 5-7 Works days

Packaging Details : Industrial Packing Single Color Box OEM

Model : NKI 40/20

Type : Needle Roller Bearing

Size : 40*55*20mm

Application : Electric Car

Material : Bearing Steel

HS Code : 8482400000

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**NA NKI RNA NK Series 405520mm Electric Car Roller Bearing NKI 40/20 China Manufacturer**

Are needle bearings better than bushings ?

They're lower friction, the cam lasts longer, and the needle bearings last longer. The camshaft and lifter wheel will last three to four times longer with a good needle-bearing than it will with a bushed lifter.

How long do needle bearings last ?

Part List NKI NA Series for needle roller bearing :

DIMENSIONS/mm			without an inner periphery	without an inner periphery	the inner circumference	the inner circumference
Diameter
dr	d	D
45	40	55	TAF 455520	NK 45/20	TAFI 405520	NKI 40/20
45	40	55	TAF 455530	NK 45/30	TAFI 405530	NKI 40/30
47	42	57	TAF 474720	NK 47/20	TAFI 425720	NKI 42/20
47	42	57	TAF 475730	NK 47/30	TAFI 425730	NKI 42/30
48	40	62	RNA 4908	RNA 4908	NA 4908	NA 4908
48	40	62	RNA 6908	RNA 6908	NA 6908	NA 6908
50	45	62	TAF 506225	NK 50/25	TAFI 456225	NKI 45/25
50	45	62	TAF 506235	NK 50/35	TAFI 456235	NKI 45/35
52	45	68	RNA 4909	RNA 4909	NA 4909	NA 4909
52	45	68	RNA 6909	RNA 6909	NA 6909	NA 6909
55	50	68	TAF 556825	NK 55/25	TAFI 506825	NKI 50/25
55	50	68	TAF 556835	NK 55/35	TAFI 506835	NKI 50/35
58	50	72	RNA 4910	RNA 4910	NA 4910	NA 4910
58	50	72	RMA 6910	RNA 6910	NA 6910	NA 6910
60	55	72	TAF 607225	NK 60/25	TAFI 557225	NKI 55/25
60	55	72	TAF 607235	NK 60/35	TAFI 557235	NKI 55/35
63	55	80	RNA 4911	RNA 4911	NA 4911	NA 4911
63	55	80	RNA 6911	RNA 6911	NA 6911	NA 6911
65	-	78	TAF 657825	NK 65/25	-	-
65	-	78	TAF 657835	NK 65/35	-	-
68	60	82	TAF 688225	NK 68/25	TAFI 608225	NKI 60/25
68	60	82	TAF 688235	NK 68/35	TAFI 608235	NKI 60/35
68	60	85	RNA 4912	RNA 4912	NA 4912	NA 4912
68	60	85	RNA 6912	RNA 6912	NA 6912	NA 6912
70	-	85	TAF 708525	NK 70/25	-	-
70	-	85	TAF 708535	NK 70/35	-	-
72	65	90	RNA 4913	RNA 4913	NA 4913	NKI 60/25
72	65	90	RNA 6913	RNA 6913	NA 6913	NKI 60/35
73	65	90	TAF 739025	NK 73/25	TAFI 659025	NA 4912
73	65	90	TAF 739035	NK 73/35	TAFI 659035	NA 6912
75	-	92	TAF 759225	NK 75/25	-	-

Electric Car Steel Roller Bearings NKI 40/20 NA NKI RNA NK Series 40*55*20mm

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