Flange Extended Inner Ring Ball Bearings is also called Flange Wide inner ring bearings, they mean the width of inner ring is higher than the width of outer ring, they are designed for special applications. Runstar Bearing has a full dimention of Stainless steel Flange Extended Inner Ring Ball Bearings for choice, the precision tolerance is from ABEC-1 to ABEC 9 for choice, there are 440(9Cr18),420(9Cr13) for choice in Runstar, 316 is sometimes available. Custom-made products is accepted in Runstar. All Runstar’s Bearings are strictly controlled under ISO9001:2015.

PART NUMBERSEAL TYPEBore diameter(d)Outer diameter(D)Width(B)BALL SIZE(mm)BALL QTYweight(g)
SFR0 EEopen3/64"︱1.191mm5/32"︱3.969mm0.0625"︱1.588mm0.670.1
SFR0ZZEEShields3/64"︱1.191mm5/32"︱3.969mm3/32"︱2.381mm0.670.15
SFR1EEopen1/18"︱1.411mm3/16"︱4.762mm0.0781"︱1.984mm160.15
SFR1ZZEEShields1/18"︱1.411mm3/16"︱4.762mm0.1094"︱2.779mm160.19
SFR1-4EEopen5/64"︱1.984mm1/4"︱6.35mm3/32"︱2.381mm170.4
SFR1-4ZZEEShields5/64"︱1.984mm1/4"︱6.35mm0.1406"︱3.571mm170.53
SFR1-4 2RSEERubber seal5/64"︱1.984mm1/4"︱6.35mm0.1406"︱3.571mm170.53
SFR1-5EEopen3/32"︱2.381mm5/16"︱7.938mm0.1094"︱2.779mm1.58860.6
SFR1-5ZZEEShields3/32"︱2.381mm5/16"︱7.938mm0.1406"︱3.571mm1.58861.15
SFR1-5 2RSEERubber seal3/32"︱2.381mm5/16"︱7.938mm0.1406"︱3.571mm1.58861.15
SFR133EEopen3/32"︱2.381mm3/16"︱4.762mm0.0625"︱1.588mm0.870.1
SFR133ZZEEShields3/32"︱2.381mm3/16"︱4.762mm3/32"︱2.381mm0.870.15
SFR133-2RSEERubber seal3/32"︱2.381mm3/16"︱4.762mm3/32"︱2.381mm0.870.15
SFR144EEopen1/8"︱3.175mm1/4"︱6.35mm3/32"︱2.381mm170.27
SFR144ZZEEShields1/8"︱3.175mm1/4"︱6.35mm0.1094"︱2.779mm170.4
SFR144-2RSEERubber seal1/8"︱3.175mm1/4"︱6.35mm0.1094"︱2.779mm170.4
SFR2EEopen1/8"︱3.175mm3/8"︱9.525mm5/32"︱3.969mm1.58871.04
SFR2ZZEEShields1/8"︱3.175mm3/8"︱9.525mm5/32"︱3.969mm1.58871.37
SFR2-2RSEERubber seal1/8"︱3.175mm3/8"︱9.525mm5/32"︱3.969mm1.58871.37
SFR2-5EEopen1/8"︱3.175mm5/16"︱7.938mm0.1094"︱2.779mm1.58860.5
SFR2-5ZZEEShields1/8"︱3.175mm5/16"︱7.938mm0.1406"︱3.571mm1.58860.74
SFR2-5-2RSEERubber seal1/8"︱3.175mm5/16"︱7.938mm0.1406"︱3.571mm1.58860.74
SFR2-6EEopen1/8"︱3.175mm3/8"︱9.525mm0.1094"︱2.779mm1.58870.96
SFR2-6ZZEEShields1/8"︱3.175mm3/8"︱9.525mm0.1406"︱3.571mm1.58871.23
SFR2-6-2RSEERubber seal1/8"︱3.175mm3/8"︱9.525mm0.1406"︱3.571mm1.58871.23
SFR155EEopen5/32"︱3.969mm5/16"︱7.938mm0.1094"︱2.779mm1100.51
SFR155ZZEEShields5/32"︱3.969mm5/16"︱7.938mm1/8"︱3.175mm1100.61
SFR155-2RSEERubber seal5/32"︱3.969mm5/16"︱7.938mm1/8"︱3.175mm1100.61
SFR156EEopen3/16"︱4.762mm5/16"︱7.938mm0.1094"︱2.779mm1100.4
SFR156ZZEEShields3/16"︱4.762mm5/16"︱7.938mm1/8"︱3.175mm110
SFR156-2RSEERubber seal3/16"︱4.762mm5/16"︱7.938mm1/8"︱3.175mm110
SFR166EEopen3/16"︱4.762mm3/8"︱9.525mm1/8"︱3.175mm1.58880.81
SFR166ZZEEShields3/16"︱4.762mm3/8"︱9.525mm1/8"︱3.175mm1.58880.85
SFR166-2RSEERubber seal3/16"︱4.762mm3/8"︱9.525mm1/8"︱3.175mm1.58880.85
SFR3EEopen3/16"︱4.762mm1/2"︱12.7mm5/32"︱3.969mm2.38172.21
SFR3ZZEEShields3/16"︱4.762mm1/2"︱12.7mm0.1960"︱4.978mm2.3817
SFR3-2RSEERubber seal3/16"︱4.762mm1/2"︱12.7mm0.1960"︱4.978mm2.3817
SFR168EEopen1/4"︱6.35mm3/8"︱9.525mm1/8"︱3.175mm1110.57
SFR168ZZEEShields1/4"︱6.35mm3/8"︱9.525mm1/8"︱3.175mm1110.6
SFR168-2RSEERubber seal1/4"︱6.35mm3/8"︱9.525mm1/8"︱3.175mm1110.6
SFR188EEopen1/4"︱6.35mm1/2"︱12.7mm1/8"︱3.175mm281.6
SFR188ZZEEShields1/4"︱6.35mm1/2"︱12.7mm3/16"︱4.762mm282.32
SFR188-2RSEERubber seal1/4"︱6.35mm1/2"︱12.7mm3/16"︱4.762mm282.32
SFR4EEopen1/4"︱6.35mm5/8"︱15.875mm0.1960"︱4.978mm2.38184.46
SFR4ZZEEShields1/4"︱6.35mm5/8"︱15.875mm0.1960"︱4.978mm2.38184.54
SFR4-2RSEERubber seal1/4"︱6.35mm5/8"︱15.875mm0.1960"︱4.978mm2.38184.54
SFR1810EEopen5/16"︱7.938mm1/2"︱12.7mm5/32"︱3.969mm1.2121.39
SFR1810ZZEEShields5/16"︱7.938mm1/2"︱12.7mm5/32"︱3.969mm1.2121.57
SFR1810-2RSEERubber seal5/16"︱7.938mm1/2"︱12.7mm5/32"︱3.969mm1.2121.57
SFR6EEopen3/8"︱9.525mm7/8"︱22.2250.2188"︱5.558mm3.9779.02
SFR6ZZEEShields3/8"︱9.525mm7/8"︱22.2250.2812"︱7.142mm3.97711.7
SFR6-2RSEERubber seal3/8"︱9.525mm7/8"︱22.2250.2812"︱7.142mm3.97711.7