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Quick Details

  • Structure: Deep Groove
  • Type: Ball
  • Brand Name: KSC , Neutral, OEM
  • Bore Size: 10 - 500 mm
  • Outside Diameter: 35 - 600 mm
  • Model Number: 6307 6307ZZ 6307.2RS
  • Precision Rating: ABEC-1, ABEC-3,, ABEC-5
  • Seals Type: OPEN ZZ 2RS
  • Number of Row: Single Row
  • Place of Origin: Zhejiang, China (Mainland)
  • Material: Chrome Steel GCr15
  • vibration: V3 V2 Z4 Z3 Z2
  • clearance: C2 C0 C3 C4
  • grease: high quality low noise grease
  • ball class: G5-G10
  • Certificate: ISO9001:2015

Packaging & Delivery

Packaging Details 6307 6307ZZ 6307 2RS V3 V2 low noise long life high performance ball bearing for replace KOYO bearing NSK bearing normal packing: plastic bottle or single box +carton + pallet
Delivery Time 10-60days


Product Description


6307 6307ZZ 6307 2RS V3 V2 low noise long life high performance ball bearing for replace KOYO bearing NSK bearing


SNBearing type6307  6307ZZ   6307.2RS
1Size  35x80x21 mm
2Structuredeep groove ball bearing
3Precisionabec-1; abec-3, abec-5
4MaterialGcr15, fully hardening, HRC60-64
5ClearanceC2   C0   C3   C4
6Cagesteel or nylon cage
7Ball gradeG5    G10
8Greaselow noise high performance grease
9Sealopen / ZZ / 2RS
10Lead time15-60 days usually



Product Overviews



  High-quality low noise motor bearings -- V3Z3 Z2V2 EMQ bearings


We professional export real high-quality EMQ bearings, Not only 6307 6307ZZ 6307 2RS V3 V2 low noise long life high performance ball bearing for replace KOYO bearing NSK bearing,but all 6300 series deep groove ball bearings. In this field, our selling points are V3 V2 or Z4 Z3 Z2 low vibration EMQ bearings.


  Usually in stock  


We guarantee:


1)  100% vibration test for each one piece.

2)  Original optimized design, rings thicker ,bearings heavier.

3)  Use high quality steel of china, G5-G10 quality balls

4)  Strict test bearing ring hardness and metallographic structure

5)  Low noise high performance cage

6)  Fully automated connect lines grinding production

7)  Fully automated assembly lines & Fully automated washing line

8)  High performance low noise grease

9)  Fully automated packing lines for single box, into bag, box closed for large order.



















Our EMQ bearing range: (including OPEN ZZ 2RS NR)

6000 series: 6000 — 6013

6200 series: 6200 — 6213

6300 series: 6300 — 6313




Technical Data



   EMQ deep groove ball bearing  6300 series


 V3 V2 low noise long life high performance ball bearing for replace KOYO bearing NSK bearing


Basic Bearing     No.Main DimensionLoad rating / KNmaximum speed






r min




Static           C0








Packaging & Shipping


6307 6307ZZ 6307 2RS V3 V2 low noise long life high performance ball bearing for replace KOYO bearing NSK bearing


inside packing 
single box (white or color), customization is allowed .
Plastic tube
Rolling simple packing
standard export carton
Plywood, steel, plastic pallet.   fumigation-free
By sea, by air, by express, by railway or truck






Company Information
KSC COMPANY PROFILE                  
Taizhou kingsun Import & Export Co., Ltd is a professional bearing supplier focusing on bearing field  more 20 years,  rich experience in production and international trading.

♦  Good at providing blanket purchase solution

♦  The best partner of small and medium-sized buyer

♦  Good at providing nonstandard bearings and auto bearings

♦  The most comprehensive stainless steel bearings exporter

♦  We don't only sell goods, more our integrity and service


 KINGSUN COMPANY professional supply high-quality bearings, all kind of agricultural bearings, industrial bearings and auto bearings, special bearings, nonstanderd bearings. 

                                                                                                                              More >>>



KSC factory tour



  Question: What kinds of payment your company accept ?

   Answer:  T/T, L/C, West union, Paypal, MoneyGranm, etc.

                    Usually T/T deposit + T/T before shipping, or 100% T/T in advance ( for small order). 

  Question: Can I pay after shipping? (sell on credit) 

     Answer:  Yes, you can. The longest 60 days after shipping is allowed but you must own good credit standing and pass our      

                       strict credit investigation & review. 

  Question: Do you have quality certification system ?

      Answer:  Yes, we have passed ISO9001-2015 quality system certification,

   the establishment of a sound quality management system. 

  Question: Can you send samples for testing ?

     Answer:  Yes, we can provide free samples after pass our review . 

  Question: What is your own brand ?

     Answer:  Our own brand is KSC. Also we registered some client brand in China for protecting our business legitimacy. 

  Question: Can we become KSC brand distributor?

     Answer:  Yes, you can if you own selling capability and pass our review. 

  Question: What support we can get after become KSC distributor?     

     Answer:    1) A exquisite authorized plaque

                        2) Provide posters to put up your business place

                        3) We don’t sell any KSC brand bearing to stipulated market area

                        4) We will join in your country exhibition with you together, and show your company name to promote your popularity

                        5) You will be invited to China and have a free travel if you become our excellent distributor.



Transaction History of the Supplier

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Transaction Details

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China (Mainland) | Trading Company
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Supplier Assessments:
13 Transactions 6,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $53,000
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