$1.20 - $2.00
Min. Order : 10 Pieces

4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz

New Buyer Promotion
Up to US $60 transaction fees waived on the first 3 orders
Trade Assurance
Built-in order protection service in alibaba.com
Product quality
On-time shipment
More on shipping and other trade services.

Quick Details

Port: Shenzhen/ Hongkong
Payment Terms: L/C,D/P,T/T,MoneyGram,Paypal
Supply Ability: 1000000 Piece/Pieces per Week 4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz
Precision Rating: ABEC-7
Bearing Material: AISI440C stainless steel
Place of Origin: Guangdong China
Service: Prompt Delivery
Balls Material: Si3N4 ceramic balls
Model Number: SMR74C-ZZ
Feature: High Speed, Low Noise
Bearing Model: SMR74C-ZZ
Seals Type: ZZ 2RS OPEN
Bore Size: 4 - 20 mm
Bearing Width: 2.5mm
Type: BALL
Applicable Industries: Building Material Shops,Manufacturing Plant,Machinery Repair Shops,Construction works 
Number of Row: single row
Bearing OD: 7mm
Lubrication: Dry/ Grease/Oil
Structure: Deep Groove
Bearing ID: 4mm
Bearing Features: Deep groove
Packaging Detail: 4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz 10pcs/tube White box
Dongguan Zoty Bearing Co., Ltd.
Gold Supplier
Trading Company
Response Rate
On-time delivery rate
US$ 540,000+
R&D staffs
Visit Store
Product Description
Product Name4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz
Model NoSMR74CZZ
Sizes(mm)4x7x2.5mm 5x10x4mm 5x11x4mm 8x16x5mm 10x15x4mm
MaterialAISI440C stainless steel +Si3N4 ceramic balls
Sealed Type2RS rubber seals/ ZZ metal shields/Open
PrecisionP0, P5
ClearanceC0, C2, C3, C4
Used4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz
Packing10pcs/tube+White small box+Carton 
Shipping MethodBy air or by sea


Detailed Images

4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz

SMR74zz (12)SMR74zz (3)SMR74zz (4)

SMR63ZZ bearing 3x6x2.5mm ABEC-5 hybrid ceramic bearings



Large stock 3x10x4mm S623RS Stainless Steel Bearing wheel


  Why Choose our 4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz  ?  


1. AISI440C stainless steel races

2. Si3N4 ceramic balls

4. Lubriation with greased, or light oil

5. Low friction

6. Better sealing performance, Open, Z, ZZ, 2RS, 2RZ as request

7. Rolling very smooth, and high speed

8. Durable and long working life, just please regularly clean and oil the bearing.

9. Color seals available black, bule, orange, yellow, red..

Product Uses

RC car ball bearings

Deep Groove Ball  Bearings are the most common form of rolling bearings and are mainly uses stainless steel and chrome steel as raw materials in a wide range of household appliances, micro motor, electric-driven tools, motorbike, automobile, medical appliance, sports machinery, textile machinery and agricultural machinery, etc. 1/4 x 3/4 x 9/32 bearing 1/4  inch bore bearing size miniature stainless steel ball bearing for fishing reel SR4A R4A SSR4A 2RS


Deep groove ball bearing specifications:


Related Products

Zoty Industrial Co., Ltd  focus on RC ball bearing set, hybrid ceramic bearing, stainless steel ball bearing , flanged bearings, one way bearing... widely used for RC models, racing, trucks, boat, cars..


RC Ball Bearing Set:
1x3x1mm      1.5x4x2mm

2x5x2mm      2x5x2.5mm    2x5x2.3mm       2x6x2.5mm    2.5x6x2.6mm

3x6x2.5mm   3x7x3mm       3x8x3mm          3x9x4mm       3x10x4mm

4x7x2.5mm   4x8x3mm       4x9x4mm          4x10x4mm     4x11x4mm    4x12x4mm   4x13x5mm

5x8x2.5mm   5x10x4mm     5x11x4mm        5x12x4mm     5x13x4mm    5x11x5mm   5x14x5mm  5x16x5mm

6x10x3mm    6x12x4mm     6x13x5mm        6x17x6mm     6x19x6mm

7x11x3mm    7x12x4mm     7x14x5mm        7x19x6mm     7x22x7mm

8x16x5mm    8x19x6mm     8x22x7mm

10x15x4mm  10x16x4mm   10x19x5mm      10x22x6mm   12x18x4mm....

Inch RC flanged bearings sizes:

3/32x3/16x3/32    1/8 x 1/4 x 7/64      1/8 x 5/16 x 9/64

1/8 x 3/8 x 5/32    5/32 x 5/16 x 1/8    3/16 x 3/8 x 1/8

1/4 x 3/8 x 1/8      1/2x3/4x5/32


ABEC-1, ABEC-3, ABEC-5, ABEC-7 grade available. You may like:


5x11x4mm MR115ZZ Nitro RC Vehicles Bearing with Metal Shield



Material: Chrome steel

Sealed: ZZ metal shields

MOQ: 10pcs


MR126-2RS ladder style wheelie bar ball bearing 6x12x4mm

Material: Chrome steel

Sealed: 2RS rubber seas

MOQ: 10pcs


MR85ZZ buggy cars motor bearings 5mm*8mm*2.5mm


Material: Chrome steel

Sealed: ZZ metal shields

MOQ: 10pcs

MR85zz (2).jpg

SFR2-5ZZ 1/8 x 5/16 x 9/64

Metal shield inch flange bearing


Material: AISI440C stainless steel

Sealed: ZZ metal shields

MOQ: 10pcs



55x100x21mm 6211rs 6211 2rs heavy duty ball bearings
Material: Chrome steel

Sealed: 2RS rubber seals

MOQ: 10pcs

6211RS (1).jpg


Packaging & Shipping


Company Information

Work shop_1


Q1: Are you trading company or manufacturer?

A: We are factory.  Zoty Industrial Co.,Ltd integrates production, trade, investment and sales.


Q2. Can we do our logo or brand on the package?
A: Yes, we can do OEM and ODM.


Q3: How long is your delivery time?

A: Generally takes about 7-15 working days for production based on specifications for your order and quantity. In stock bearings can arrange shipment immediately once after payment received.


Q4: Do you provide samples ? is it free or extra?

A: Yes, we provide free samples for clients check quality, shipping cost and tax pay by buyer.


Q5: What is your terms of payment ?

A: Payment<=1,000USD, 100% in advance. Payment>1,000USD, 30% T/T in advance, balance before shipment.


Q6: What's your warranty terms?

A: We offer different warranty time for different components, please contact us for details.

4x7x2.5mm hybrid ceramic ball bearing smr74zz mr74zz