B71910C-2RZ High Speed Angular Contact Bearings Suppliers

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B71910C-2RZ

Bore Diameter:50 mm

Outside Diameter:72 mm

Width:12 mm

Reference FOB Price:US15 / Piece

Min. Order:1 Piece

The B71910C-2RZ bearing is a Thin section bearing with an inner diameter of 50 mm , an outer diameter of 72 mm, a width of 12 mm. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.

Dimensions:

Inside Diameter:

50 mm

Outside Diameter:

72 mm

Thickness:

12 mm

Specifications:

Old Designations:

B71910C-2RZ

Transaction Information:

Transport Package:

wooden case

Shipping Ways:

by sea or air or as your request

Country of Origin:

China

Stock:

20 Piece

Production Capacity:

200/month

Port:

Shanghai

Payment term:

T/T

Delivery time:

3-5days

Detailed description

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)
Bearing Type	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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