Product Description
>>Product Discription
Deep groove ball bearings 6901
Bearing number : 6901
Size (mm) : 12x24x6
Brand : GIL
Bore Diameter (mm) : 12
Outer Diameter (mm) : 24
Width (mm) : 6
Bearing dimensions
d - 12 mm
D - 24 mm
B - 6 mm
C - 6 mm
r min. - 0,3 mm
da min. - 14 mm
da max - 15 mm
Da max. - 22 mm
ra max. - 0,3 mm
Weight - 0,011 Kg
Basic dynamic load rating (C) - 2,89 kN
Basic static load rating (C0) - 1,46 kN
(Grease) Lubrication Speed - 27 000 r/min
(Oil) Lubrication Speed - 32 000 r/min
Calculation factor (f0) - 14,5
>>Features
- Combined Radial and Axial Loads
- Simple Structure + High Precision + Low Cost + Widely Used
- Different Structures: Open + ZZ + Z + 2RS + RS; Single Row + Double Row; With/ Without Snap Ring
- High Speed Rotation/ Extremely High Speed Rotation + Long Service Life
- Large Dimension Scope
It is widely used in precision instruments, low noise motors, automobiles, motorcycles and general machinery industries. It is a kind of bearing widely used in the machinery industry.
>>Applications
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>>Manufacture Processes
In the factory testing laboratories, various bearing parts are examined in detail. The factory has its own professional bearing life tester, after bearing life and durability test, our bearings have the advantages of long service life, and high durability. We are keeping an introduction of the latest measurement and testing equipment. Quality procedures are based on extensive, repeatedly carried out product tests - both before inclusion in the range and after.We strictly follow the core of quality management process control:
01 Heat Treatment 02 Centerless Grinding Machine 11200 (most advanced) 03 Automatic Production Lines for Raceway 04 Automatic Production Lines for Raceway 05 Ultras onic Cleaning of Rings 06 Automatic Assembly 07 Ultras onic Cleaning of Bearings 08 Automatic Greasing, Seals Pressing 09 Measurement of Bearing Vibration (Acceleration) 10 Measurement of Bearing Vibration (Speed) 11 Laser Marking 12 Automatic Packing | ✓ APQP: product quality advance planning ✓ SPC: Statistical process control ✓ MSA: Measurement system analysis ✓ FMEA: Analysis of potential failure modes and consequences ✓ PPAP: Production part approval procedure |
>>Prodct Parameters
6900 Series - (Same as 61900) | ||||||||
Bearing No. | dxDxB (mm) | Weight(kg) | Designation | |||||
10 | 22 | 6 | 0.0090 | 6900 Z | 6900 ZZ | 6900 RS | 6900 2RS | |
12 | 24 | 6 | 0.0110 | 6901 Z | 6901 ZZ | 6901 RS | 6901 2RS | |
15 | 28 | 7 | 0.0160 | 6902 Z | 6902 ZZ | 6902 RS | 6902 2RS | |
17 | 30 | 7 | 0.0180 | 6903 Z | 6903 ZZ | 6903 RS | 6903 2RS | |
20 | 37 | 9 | 0.0360 | 6904 Z | 6904 ZZ | 6904 RS | 6904 2RS | |
25 | 42 | 9 | 0.0420 | 6905 Z | 6905 ZZ | 6905 RS | 6905 2RS | |
30 | 47 | 9 | 0.0480 | 6906 Z | 6906 ZZ | 6906 RS | 6906 2RS | |
6907 | 35 | 55 | 10 | 0.0740 | 6907 Z | 6907 ZZ | 6907 RS | 6907 2RS |
6908 | 40 | 62 | 12 | 0.1100 | 6908 Z | 6908 ZZ | 6908 RS | 6908 2RS |
6909 | 45 | 68 | 12 | 0.1280 | 6909 Z | 6909 ZZ | 6909 RS | 6909 2RS |
6910 | 50 | 72 | 12 | 0.1300 | 6910 Z | 6910 ZZ | 6910 RS | 6910 2RS |
6912 | 60 | 85 | 13 | 0.2000 | 6912 Z | 6912 ZZ | 6912 RS | 6912 2RS |
6913 | 65 | 90 | 13 | 0.2200 | 6913 Z | 6913 ZZ | 6913 RS | 6913 2RS |
6914 | 70 | 110 | 16 | 0.350 | 6914 Z | 6914 ZZ | 6914 RS | 6914 2RS |
6915 | 75 | 105 | 16 | 0.3800 | 6915 Z | 6915 ZZ | 6915 RS | 6915 2RS |
Bearing Material | ||||
Bearing Material | Chinese Standard | Equivalent | ||
Material | AISI/SAE/ASTM | DIN | JIS | |
chrome steel | Gcr15 | SA52100 | 100Cr6 | SUJ2 |
stainless steel | 9cr18 | AISI400C | X102CrMo17 | SUS440C |
cold rolled low carbon | ST14 | ASTM366 | 1623 | 3141 |
Guide for Selection of Bearing Precision | ||||
Application | ISO | |||
Computer printers, copy machine-feed rollers, micro motors, stepping motors, fan motors, VCR pinch rollers | Normal Class 6 | |||
High precision motors, hard disk drive motors, dental spindles, servo motors, encoders, VCR drum spindles, VCR capstan motors, polygonal mirror scanner motors | Class 5 Class 4 | |||
High frequency spindles, gyro motors, gyro gimbals | Class 4 |
Packing&Shipping | ||
Packing | small size& medium size | plastic buckets/paper-10pcs |
wrapped with rust-proof paper-10pcs | ||
color box-1pcs | ||
large size | wrapped with waterproof winding tape | |
wooden box | ||
Pallet | European composite pallet | |
Colesed composite wooden pallet | ||
ISB three-folds pallet | ||
Shipping | Port of shipment | Shanghai, China |
Transportation | Sea/ Air/ Road | |
Price Term | FOB(Usual) | |
Payment Term | 30% prepayment upone order confirmed, balance T/T before shipment when goods ready. |
Factory warranted | -Granville can offers an array of tools for efficientofferthey maintenance. -We also offer reliability systems and services to help maintenance. -Personnel maximize operating performance and detect equipment. -Dealing with problems before they become critical. |
>>Q&A
*Could you make a brief introduction to your all series of products?
Yes, we stock and sell factory-warrantied mechanical, electrical, and fluid-driven equipment such as bearings, belts, drives, motors, gears, couplings, clutches and brakes, linear motion, and hydraulics and pneumatics.
*How about your sales group?
At Granville, we understand a competent team makes your job easier, so we have established a group of employees who represent our resourcefulness and commitment to working hard to make sure your unique challenges are handled right the first time.
*What's your solutions for maximizing customers' benefits?
Our goal is to have your stock requirements on-hand when you need them. Through our storeroom surveys, in-depth communication, and usage analysis, we can reduce your organization's inventory cost, supply room costs, and turn-around time.
*What's your shipping document and documents of payment?
Our usual practice is FOB Shanghai & T/T, and we could adjust them for your requirements.
*What's the most convenient way to get your free quotation?
Please contact Stacy with your requirements (or Copy the contents of the table and fill in it with your information)
RFQ for Free |
Company Name: |
Name: Mr./Mrs./Miss |
Bearing No. : |
Quantity: |
More Details: |
(Stacy- Export Department) |
{Hi! This is Stacy from Granville, let me know if you have any requirements for our products or services. Have a nice day! :)