They remain sealed in their plastic wrapping (with protective grease still in tact).
eBay
1Pcs 623 3X10X4 MM Full ZrO2 ceramic ball bearing ZRO2 Zirconia Ceramic bearing MR63 MR74 MR84 MR85 MR95 MR104 MR105 MR106 MR115
Aliexpress UK
Model: SBR16UU. 4 SBR16UU Bearing Block. Made with aluminum alloy material for increased bear bearing and durability. Material: Aluminum alloy. If you are satisfied with our service, pls. Weight: 585g (approx.).
eBay
High Precision ABEC-7 Grade 10Pcs MR62ZZ (2x6x2.5mm) Metal Shielded Precision Ball Bearings Mini Bearings
Aliexpress UK
Model: SCS8UU. 4 x SCS8UU 8mm Linear Ball Bearing. Type: Linear Ball Bearing. Material: Aluminum base alloy. If you are satisfied with our service, pls.
eBay
2/5pcs Bearing 608 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 -2RS ZZ Ultra Thin Wall Rubber Shielded Ball Bearings
Aliexpress UK
Prevent dust from entering and prolong the linear guide slider bearing service life. Item Type: Linear Guide Slider Bearing. Made of aluminum alloy material, strong load capacity, low friction, and high rigidity.
eBay
10pcs bearing 692zz 693zz 694zz 695zz 696zz 697zz 698zz 699zz 3x8x4 Miniature Electrical Motor Ball Bearings for Emax DJI Drone
Aliexpress UK
SBR20UU Linear Slide Bearing. 1x SBR20UU Linear Slide Bearing. Shaft ID: 20mm. Service Promise.
eBay
MOCHU Eccentric Bearing 524806K NA4206X3A 30x70x16x18.5 30x70x18.5 Ball Series Agricultural Machinery Special Lifting Bearing
Aliexpress UK
LM6UU 6MM LINEAR SHAFT BEARING. MODEL NO: LM6UU. Your chosen quantity of LM6UU Bearings. LM8UU BEARING ARE FOR 8MM LINEAR SHAFTS AND MAINLY USED FOR SMOOTH LINEAR MOTION ON THE SHAFT. Ending Soon. TYPE : BALL BEARING.
eBay
MR104ZZ Handles Bearing 4x10x4 mm For Strong Drill Lab Handpiece MR104 ZZ Ball Bearing Nail
Aliexpress UK
Model: SC20UU. Item Type: Linear Motion Ball Bearing Slide Block. 2 x Linear Motion Ball Bearing Slide Block. High density aluminum alloy structure makes the slide block strong load bearing. Low friction makes it move smoothly, reducing abrasion and saving energy.
eBay
10PCS High Precision ABEC-9 Bearing 693ZZ 3x8x4 MM Miniature Electrical Motor Ball Bearings for Emax DJI Drone
Aliexpress UK
Model: SC20UU. Item Type: Linear Motion Ball Bearing Slide Block. 2 x Linear Motion Ball Bearing Slide Block. High density aluminum alloy structure makes the slide block strong load bearing. Low friction makes it move smoothly, reducing abrasion and saving energy.
eBay
MR104ZZ Handles Bearing 4x10x4 mm For Strong Drill Lab Handpiece MR104 ZZ Ball Bearing Nail
Aliexpress UK