Luoyang Huigong Bearing Technology Co.,
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B71907C-2RZ high speed angular contact bearings suppliers

B71907C-2RZ High Speed Angular Contact Bearings Suppliers

Reference FOB Price:
US15 / Piece
Min. Order:
1 Piece
Stock:
20 Piece
Production Capacity:
200/month
Port:
Shanghai
Payment term:
T/T
Delivery time:
3-5days
Technical Parameters:
Product Designations:
B71907C-2RZ
Old Designations:
B71907C-2RZ
Inside Diameter:
35 mm
Outside Diameter:
55 mm
Thickness:
10 mm
Transport Package:
wooden case
Shipping Ways:
by sea or air or as your request
Country of Origin:
China
B71907C-2RZ High Speed Angular Contact Bearings Suppliers

Ultra-High Speed Angular Contact Bearings With Sealing B719 Series 

It is mainly used for high speed and high precision grinding for internal surface. In order to meet the requirement of electric spindle, the internal parameters of the bearing rings are optimized. 

 

CHG provides B719 series bearing as follows:

1. Contact angle of 15°

2. Outer ring guide phenolic resin cage 

3. Rolling element guide polyamide resin cage ( Tnl ) 

4. Steel ball or ceramic ball ( HQ1 ) 

5. Precision degree: P4, P2 

6. Preload with fixed pressure

7. Contact sealing ( 2RZ ) at both end faces 

8. Can use ceramic balls for higher speed and longer life

Bearing
Type
Size
(mm)
Basic
Load
Rating
(kN)
Steel
Balls
Limit
Speed
(r/min)
Ceramic
Balls
Limit
Speed
(r/min)
Weight
(kg)
d D B r
(min)
r1
(min)
Ca Coa Grease Lubrication Steel
Balls
Ceramic
Balls
B71900C-2RZ 10 22 6 0.3 0.10 2.1 1.0 75000 137500 0.009 0.008
B71901C-2RZ 12 24 6 0.3 0.10 2.3 1.1 67000 120000 0.010 0.009
B71902C-2RZ 15 28 7 0.3 0.10 3.4 1.7 56000 100000 0.015 0.013
B71903C-2RZ 17 30 7 0.3 0.10 3.6 1.9 51000 93000 0.017 0.015
B71904C-2RZ 20 37 9 0.3 0.15 5.2 3.0 42000 77000 0.035 0.031
B71905C-2RZ 25 42 9 0.3 0.15 5.6 3.4 36000 66000 0.046 0.039
B71906C-2RZ 30 47 9 0.3 0.15 6.0 3.9 32000 57000 0.057 0.048
B71907C-2RZ 35 55 10 0.6 0.15 6.9 6.0 27000 48000 0.074 0.065
B71908C-2RZ 40 62 12 0.6 0.15 7.3 6.8 23000 43000 0.123 0.096
B71909C-2RZ 45 68 12 0.6 0.15 10.0 9.3 21000 39000 0.133 0.112
B71910C-2RZ 50 72 12 0.6 0.15 13.0 10.1 20000 36000 0.139 0.116

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