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Precision Bearing

Stainless Steel Inch Flange Miniature Bearing

Inch flange miniature bearings are also known as inch flange micro ball bearings. SXD produces stainless steel inch flange miniature bearings in all inch sizes. Stainless steel materials can be 440 (9Cr18), 420 (9Cr13), or 316 stainless steel. Compared with ordinary bearing steel inch flange miniature bearings, stainless steel inch flange miniature ball bearings can prevent corrosion caused by certain acids or moisture. Stainless steel inch miniature ball bearings have obvious advantages such as stable operation, low noise, low magnets, wide application range, and good anti-corrosion and rust resistance. They are widely used in medical equipment, low-temperature engineering, optical instruments, high-speed machine tools, high-speed motors, printing machinery, etc Food processing machinery and other fields.

Bearing No.SEAL TYPEBore diameter(d)Outer diameter(D)Width(B)BALL SIZE(mm)BALL QTYweight(g)
SFR1-4open5/64″︱1.984mm1/4″︱6.35mm3/32″︱2.381mm170.4
SFR1-4ZZShields5/64″︱1.984mm1/4″︱6.35mm0.1406″︱3.571mm170.53
SFR1-4 2RSRubber seal5/64″︱1.984mm1/4″︱6.35mm0.1406″︱3.571mm170.67
SFR1-5open3/32″︱2.381mm5/16″︱7.938mm0.1094″︱2.779mm1.58860.67
SFR1-5ZZShields3/32″︱2.381mm5/16″︱7.938mm0.1406″︱3.571mm1.58861.25
SFR1-5 2RSRubber seal3/32″︱2.381mm5/16″︱7.938mm0.1406″︱3.571mm1.58861.25
SFR133open3/32″︱2.381mm3/16″︱4.762mm0.0625″︱1.588mm0.870.13
SFR133ZZShields3/32″︱2.381mm3/16″︱4.762mm3/32″︱2.381mm0.870.21
SFR133-2RSRubber seal3/32″︱2.381mm3/16″︱4.762mm3/32″︱2.381mm0.870.21
SFR144open1/8″︱3.175mm1/4″︱6.35mm3/32″︱2.381mm170.33
SFR144ZZShields1/8″︱3.175mm1/4″︱6.35mm0.1094″︱2.779mm170.48
SFR144-2RSRubber seal1/8″︱3.175mm1/4″︱6.35mm0.1094″︱2.779mm170.48
SFR2open1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.2
SFR2ZZShields1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.53
SFR2-2RSRubber seal1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.53
SFR2-5open1/8″︱3.175mm5/16″︱7.938mm0.1094″︱2.779mm1.58860.57
SFR2-5ZZShields1/8″︱3.175mm5/16″︱7.938mm0.1406″︱3.571mm1.58860.84
SFR2-5-2RSRubber seal1/8″︱3.175mm5/16″︱7.938mm0.1406″︱3.571mm1.58860.84
SFR2-6open1/8″︱3.175mm3/8″︱9.525mm0.1094″︱2.779mm1.58871.05
SFR2-6ZZShields1/8″︱3.175mm3/8″︱9.525mm0.1406″︱3.571mm1.58871.35
SFR2-6-2RSRubber seal1/8″︱3.175mm3/8″︱9.525mm0.1406″︱3.571mm1.58871.35
SFR155open5/32″︱3.969mm5/16″︱7.938mm0.1094″︱2.779mm1100.56
SFR155ZZShields5/32″︱3.969mm5/16″︱7.938mm1/8″︱3.175mm1100.72
SFR155-2RSRubber seal5/32″︱3.969mm5/16″︱7.938mm1/8″︱3.175mm1100.72
SFR156open3/16″︱4.762mm5/16″︱7.938mm0.1094″︱2.779mm1100.47
SFR156ZZShields3/16″︱4.762mm5/16″︱7.938mm1/8″︱3.175mm1100.56
SFR156-2RSRubber seal3/16″︱4.762mm5/16″︱7.938mm1/8″︱3.175mm1100.56
SFR166open3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.9
SFR166ZZShields3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.97
SFR166-2RSRubber seal3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.97
SFR3open3/16″︱4.762mm1/2″︱12.7mm5/32″︱3.967mm2.38172.5
SFR3ZZShields3/16″︱4.762mm1/2″︱12.7mm0.1960″︱4.978mm2.38173.24
SFR3-2RSRubber seal3/16″︱4.762mm1/2″︱12.7mm0.1960″︱4.978mm2.38173.24
SFR168open1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.66
SFR168ZZShields1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.73
SFR168-2RSRubber seal1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.73
SFR188open1/4″︱6.35mm1/2″︱12.7mm1/8″︱3.175mm281.71
SFR188ZZShields1/4″︱6.35mm1/2″︱12.7mm3/16″︱4.762mm282.54
SFR188-2RSRubber seal1/4″︱6.35mm1/2″︱12.7mm3/16″︱4.762mm282.54
SFR4open1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.82
SFR4ZZShields1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.9
SFR4-2RSRubber seal1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.9
SFR1810open5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.54
SFR1810ZZShields5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.72
SFR1810-2RSRubber seal5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.72
SFR6open3/8″︱9.525mm7/8″︱22.2250.2188″︱5.5583.9779.71
SFR6ZZShields3/8″︱9.525mm7/8″︱22.2250.2812″︱7.142mm3.97712.39
SFR6-2RSRubber seal3/8″︱9.525mm7/8″︱22.2250.2812″︱7.142mm3.97712.39
SFR8open1/2″︱12.7mm1 1/8″︱34.925mm1/4″︱6.35mm4.762824
SFR8ZZShields1/2″︱12.7mm1 1/8″︱34.925mm5/16″︱7.938mm4.762825.6
SFR8-2RSRubber seal1/2″︱12.7mm1 1/8″︱34.925mm5/16″︱7.938mm4.762825.6


Bearing No.SEAL TYPEBore diameter(d)Outer diameter(D)Width(B)BALL SIZE(mm)BALL QTYweight(g)
SFR1-4open5/64″︱1.984mm1/4″︱6.35mm3/32″︱2.381mm170.4
SFR1-4ZZShields5/64″︱1.984mm1/4″︱6.35mm0.1406″︱3.571mm170.53
SFR1-4 2RSRubber seal5/64″︱1.984mm1/4″︱6.35mm0.1406″︱3.571mm170.67
SFR1-5open3/32″︱2.381mm5/16″︱7.938mm0.1094″︱2.779mm1.58860.67
SFR1-5ZZShields3/32″︱2.381mm5/16″︱7.938mm0.1406″︱3.571mm1.58861.25
SFR1-5 2RSRubber seal3/32″︱2.381mm5/16″︱7.938mm0.1406″︱3.571mm1.58861.25
SFR133open3/32″︱2.381mm3/16″︱4.762mm0.0625″︱1.588mm0.870.13
SFR133ZZShields3/32″︱2.381mm3/16″︱4.762mm3/32″︱2.381mm0.870.21
SFR133-2RSRubber seal3/32″︱2.381mm3/16″︱4.762mm3/32″︱2.381mm0.870.21
SFR144open1/8″︱3.175mm1/4″︱6.35mm3/32″︱2.381mm170.33
SFR144ZZShields1/8″︱3.175mm1/4″︱6.35mm0.1094″︱2.779mm170.48
SFR144-2RSRubber seal1/8″︱3.175mm1/4″︱6.35mm0.1094″︱2.779mm170.48
SFR2open1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.2
SFR2ZZShields1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.53
SFR2-2RSRubber seal1/8″︱3.175mm3/8″︱9.525mm5/32″︱3.967mm1.58871.53
SFR2-5open1/8″︱3.175mm5/16″︱7.938mm0.1094″︱2.779mm1.58860.57
SFR2-5ZZShields1/8″︱3.175mm5/16″︱7.938mm0.1406″︱3.571mm1.58860.84
SFR2-5-2RSRubber seal1/8″︱3.175mm5/16″︱7.938mm0.1406″︱3.571mm1.58860.84
SFR2-6open1/8″︱3.175mm3/8″︱9.525mm0.1094″︱2.779mm1.58871.05
SFR2-6ZZShields1/8″︱3.175mm3/8″︱9.525mm0.1406″︱3.571mm1.58871.35
SFR2-6-2RSRubber seal1/8″︱3.175mm3/8″︱9.525mm0.1406″︱3.571mm1.58871.35
SFR155open5/32″︱3.969mm5/16″︱7.938mm0.1094″︱2.779mm1100.56
SFR155ZZShields5/32″︱3.969mm5/16″︱7.938mm1/8″︱3.175mm1100.72
SFR155-2RSRubber seal5/32″︱3.969mm5/16″︱7.938mm1/8″︱3.175mm1100.72
SFR156open3/16″︱4.762mm5/16″︱7.938mm0.1094″︱2.779mm1100.47
SFR156ZZShields3/16″︱4.762mm5/16″︱7.938mm1/8″︱3.175mm1100.56
SFR156-2RSRubber seal3/16″︱4.762mm5/16″︱7.938mm1/8″︱3.175mm1100.56
SFR166open3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.9
SFR166ZZShields3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.97
SFR166-2RSRubber seal3/16″︱4.762mm3/8″︱9.525mm1/8″︱3.175mm1.58880.97
SFR3open3/16″︱4.762mm1/2″︱12.7mm5/32″︱3.967mm2.38172.5
SFR3ZZShields3/16″︱4.762mm1/2″︱12.7mm0.1960″︱4.978mm2.38173.24
SFR3-2RSRubber seal3/16″︱4.762mm1/2″︱12.7mm0.1960″︱4.978mm2.38173.24
SFR168open1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.66
SFR168ZZShields1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.73
SFR168-2RSRubber seal1/4″︱6.35mm3/8″︱9.525mm1/8″︱3.175mm1110.73
SFR188open1/4″︱6.35mm1/2″︱12.7mm1/8″︱3.175mm281.71
SFR188ZZShields1/4″︱6.35mm1/2″︱12.7mm3/16″︱4.762mm282.54
SFR188-2RSRubber seal1/4″︱6.35mm1/2″︱12.7mm3/16″︱4.762mm282.54
SFR4open1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.82
SFR4ZZShields1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.9
SFR4-2RSRubber seal1/4″︱6.35mm5/8″︱15.8750.1960″︱4.978mm2.38184.9
SFR1810open5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.54
SFR1810ZZShields5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.72
SFR1810-2RSRubber seal5/16″︱7.938mm1/2″︱12.7mm5/32″︱3.967mm1.2121.72
SFR6open3/8″︱9.525mm7/8″︱22.2250.2188″︱5.5583.9779.71
SFR6ZZShields3/8″︱9.525mm7/8″︱22.2250.2812″︱7.142mm3.97712.39
SFR6-2RSRubber seal3/8″︱9.525mm7/8″︱22.2250.2812″︱7.142mm3.97712.39
SFR8open1/2″︱12.7mm1 1/8″︱34.925mm1/4″︱6.35mm4.762824
SFR8ZZShields1/2″︱12.7mm1 1/8″︱34.925mm5/16″︱7.938mm4.762825.6
SFR8-2RSRubber seal1/2″︱12.7mm1 1/8″︱34.925mm5/16″︱7.938mm4.762825.6


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