50*90*21.75mm 7210A bearing 7210 taper roller bearing 30210

d	50 mm
D	90 mm
H	21.75 mm
a	20 mm
B	20 mm
C	17 mm
Ca min	3 mm
Cb min	4.5 mm
Da max	83 mm
Da min	79 mm
Db min	85 mm
d 1	68.8 mm
d a max	58 mm
d b min	57 mm
r1,2 min	1.5 mm
r3,4 min	1.5 mm
ra max	1.5 mm
rb max	1.5 mm
e	0.42
Y	1.43
Y0	0.79
Cr	79 KN
Cor	96 KN
Cur	11.3 KN
nG	8200 l/min
nB	5000 l/min
m	642 g

 

 

 

 

 Q:What’s your after-sales service and warranty?
A: We promise to bear the following responsibility when defective product is found:
1. 12 months warranty from the first day of receiving goods;
2. Replacements would be sent with goods of your next order;
3. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?
A: Yes, we provide ODM&OEM services to worldwide customers, we are able to customize bearings in different styles, and sizes in different brands.

Q:How does your factory do regarding to quality control?
A: Quality is priority, we always attach great importance to quality control from the beginning to the end of production. We conform with high quality standards strictly and have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality.

Q:How long is the lead time?
A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples?
A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight.

Q:What’s your main products?
A:Our main products include all kinds of ball bearings and roller bearings and also world-famous brand bearings.