Silicon Nitride Ceramic Bearings Inch Size

Silicon Nitride (Si3N4) Ceramic Bearings are lightweight, strong, and wear-resistant with excellent corrosion resistance.

FILTERS

ID

0.25"(2)

0.3125"(6)

0.375"(8)

0.5"(6)

0.625"(4)

0.6875"(4)
Material

0.125"(10)

0.15625"(2)

0.1875"(10)

0.25"(8)
OD

0.0937"(1)

0.1094"(5)

0.125"(7)

0.1406"(2)

0.1562"(3)

0.1719"(2)

0.1875"(1)

0.196"(5)

0.25"(2)

0.3125"(2)
Shield Type

10 lbf(6)

12 lbf(2)

20 lbf(2)

22 lbf(2)

28 lbf(3)

33 lbf(1)

4 lbf(2)

55 lbf(2)

60 lbf(2)

7 lbf(4)

8 lbf(4)
Width

Open(16)

Sealed(14)
Ball Diameter

0.125"(10)

0.15625"(2)

0.1875"(10)

0.25"(8)

Part Number	ID	OD	Width	Shield Type	Dynamic Load
R4 2RS	0.25"	0.625"	0.196"	Sealed	71 lbf
R4	0.25"	0.625"	0.196"	Open	71 lbf
R188 2RS	0.25"	0.5"	0.1875"	Sealed	52 lbf
R188	0.25"	0.5"	0.125"	Open	52 lbf
R168 2RS	0.25"	0.375"	0.125"	Sealed	18 lbf
R168	0.25"	0.375"	0.125"	Open	18 lbf
1602 2RS	0.25"	0.6875"	0.3125"	Sealed	159 lbf
1602	0.25"	0.6875"	0.25"	Open	159 lbf
R3A 2rs	0.1875"	0.625"	0.196"	Open	83 lbf
R3A	0.1875"	0.625"	0.196"	Open	71 lbf
R3 2RS	0.1875"	0.5"	0.196"	Sealed	62 lbf
R3	0.1875"	0.5"	0.1562"	Open	62 lbf
R166 2RS	0.1875"	0.375"	0.125"	Sealed	34 lbf
R166	0.1875"	0.375"	0.125"	Open	34 lbf
R156 2RS	0.1875"	0.3125"	0.125"	Sealed	17 lbf
R156	0.1875"	0.3125"	0.1094"	Open	17 lbf
1601 2RS	0.1875"	0.6875"	0.3125"	Sealed	150 lbf
1601	0.1875"	0.6875"	0.25"	Open	150 lbf
R155 2RS	0.15625"	0.3125"	0.125"	Sealed	17 lbf
R155	0.15625"	0.3125"	0.1094"	Open	17 lbf
R2A 2RS	0.125"	0.5"	0.1719"	Sealed	30 lbf
R2A	0.125"	0.5"	0.1719"	Open	30 lbf
R2-6 2RS	0.125"	0.375"	0.1406"	Sealed	30 lbf
R2-6	0.125"	0.375"	0.1094"	Open	30 lbf
R2-5 2RS	0.125"	0.3125"	0.1406"	Sealed	27 lbf
R2-5	0.125"	0.3125"	0.1094"	Open	27 lbf
R2 2RS	0.125"	0.375"	0.1562"	Sealed	30 lbf
R2	0.125"	0.375"	0.1562"	Open	30 lbf
R144 2RS	0.125"	0.25"	0.1094"	Sealed	14 lbf
R144	0.125"	0.25"	0.0937"	Open	14 lbf

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