Wuxi Handa Bearing Co., Ltd.
                                                                                                           
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Electric Car Steel Roller Bearings NKI 40/20 NA NKI RNA NK Series 40*55*20mm

Price Negotiable
Price: Negotiable
MOQ: 10 Pcs
Delivery Time: 5-7 Works days
Brand: HDBB
Product Description

NA NKI RNA NK Series 40*55*20mm 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 ?

 

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.

 

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 - -

 

 

 

 

 

We are following "Best Quality, Best Price, Fast Delivery, Best Service" to make all of our old and new customers satisfied.

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Wuxi Handa Bearing Co., Ltd.
Location 6-2914 Tianshan Rd, Wuxi City, Jiangsu Province, China
Contact Person Marilyn Zhang

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