WBB Series Stainless Steel Flanged Miniature Bearings

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WBB Series Stainless Steel Flanged Miniature Bearings

The WBB Series Flanged bearings are characterized by their Wide profile. This additional width allows for larger ball complements or specialized sealing systems, providing greater stability and a longer lubricant life. When combined with an outer ring flange and stainless steel material, these bearings become a high-performance solution for specialized micro-motors and dental handpieces.

Bore diameter
3 mm 5 mm 6 mm 7 mm 8 mm
Outside diameter
8 mm 9 mm 10 mm 12 mm 13 mm 14 mm
Width
2.5 mm 3 mm 4 mm
Seal type
Open Sealed Shielded
Flange outer diameter
9.2 mm 10.2 mm 11.2 mm 11.6 mm 13.6 mm 14.6 mm 15.6 mm
Flange thickness
0.6 mm 0.8 mm
Limiting speed
28 X 1000 rpm 32 X 1000 rpm 38 X 1000 rpm 48 X 1000 rpm 50 X 1000 rpm 56 X 1000 rpm 67 X 1000 rpm 85 X 1000 rpm 90 X 1000 rpm
Radial dynamic load rating
51 lbf 56 lbf 70 lbf 73 lbf 91 lbf 104 lbf
Radial static load rating
16 lbf 19 lbf 21 lbf 32 lbf 33 lbf 43 lbf
Part Number Bore diameter Outside diameter Width Flange outer diameter Flange thickness For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating Limiting speed
WBB1-8703 R 3 mm 8 mm 2.5 mm 9.2 mm 0.6 mm Radial Open Stainless Steel Stainless Steel 51 lbf 16 lbf 90 X 1000 rpm
WBB1-8704 R 3 mm 9 mm 2.5 mm 10.2 mm 0.6 mm Radial Open Stainless Steel Stainless Steel 73 lbf 21 lbf 90 X 1000 rpm
WBB1-8705 R 5 mm 10 mm 3 mm 11.2 mm 0.6 mm Radial Open Stainless Steel Stainless Steel 56 lbf 19 lbf 85 X 1000 rpm
WBB1-8705 R-2RS1 5 mm 10 mm 4 mm 11.6 mm 0.8 mm Radial Sealed Stainless Steel Stainless Steel 56 lbf 19 lbf 38 X 1000 rpm
WBB1-8705 R-2Z 5 mm 10 mm 4 mm 11.6 mm 0.8 mm Radial Shielded Stainless Steel Stainless Steel 56 lbf 19 lbf 67 X 1000 rpm
WBB1-8706 R-2RS1 6 mm 12 mm 4 mm 13.6 mm 0.8 mm Radial Sealed Stainless Steel Stainless Steel 91 lbf 33 lbf 32 X 1000 rpm
WBB1-8706 R-2Z 6 mm 12 mm 4 mm 13.6 mm 0.8 mm Radial Shielded Stainless Steel Stainless Steel 91 lbf 33 lbf 56 X 1000 rpm
WBB1-8707 R-2Z 7 mm 13 mm 4 mm 14.6 mm 0.8 mm Radial Shielded Stainless Steel Stainless Steel 70 lbf 32 lbf 50 X 1000 rpm
WBB1-8708 R-2RS1 8 mm 14 mm 4 mm 15.6 mm 0.8 mm Radial Sealed Stainless Steel Stainless Steel 104 lbf 43 lbf 28 X 1000 rpm
WBB1-8708 R-2Z 8 mm 14 mm 4 mm 15.6 mm 0.8 mm Radial Shielded Stainless Steel Stainless Steel 104 lbf 43 lbf 48 X 1000 rpm
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