bearings from ebay

[x] 2017_01_16 3x10pcs 624ZZ 4x13x5mm ball bearing = 129Kč
industry_shop
http://www.ebay.com/itm/172181080807
Estimated delivery:  Mon, Jan. 30–Thu, Feb. 23

[x] 2017_01_16 3x10pcs MR63ZZ 3 x 6 x 2.5mm ball bearing = 190Kč
electronics_lee
http://www.ebay.com/itm/272001558683
Estimated delivery:  Wed, Feb. 08–Mon, Feb. 27
Model:MR63ZZ
Material: Bearing steel GCr15
Outer diameter:3mm
Inner diameter:6mm
Height:2.5mm
The dimensional accuracy  is  less than ± 0.05mm, speed is less than 500rpm
Suitable for low-speed, low demand environment. Such as: low-speed transmission equipment, casters, Childs vehicles, toys, and other vehicles


[] 2017_01_16 4x10pcs 623zz 3x10x4mm ball bearings = 135Kč
satisfyelectronics
http://www.ebay.com/itm/182402659063
Estimated delivery:  Wed, Feb. 08–Tue, Mar. 14
Item: 623ZZ Ball Bearings
Type: Deep groove ball bearings
Material: Chrome Steel
Size: 0.3cm x 1cm x 0.4cm/ 0.12" x 0.39" x 0.16"
Inner diameter=0.3cm/ 0.12"
Outer diameter=1cm/ 0.39"
Width/ Height/ Thickness=0.4cm/ 0.16"
Dynamic load rating Cr: 640 N
Static load rating Cor: 230 N
Limiting Speed: Grease Lubrication: 52000 RPM