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Deep Groove Ball Bearing
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Deep Groovel Ball Bearing
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With shields and seals
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With snap goove, snap ring and shield
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with Seals on both sides
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Double Row
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Expansion Compensation
Tapered Roller Bearing
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Single Row
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Single Row (Inch)
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Double Row
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Four Row
Spherical Roller Bearing
Radial Short Cylindrical Roller Bearing
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Single Row Cylindrical Roller Bearing
Inserts
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UC Series
Stainless Steel Bearing
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Stainless steel metric ball bearings
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Miniature and small stainless steel metric size ball bearings
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Miniature and small stainless steel inch size ball bearings
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Stainless pillow block
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Stainless steel 2 bolt flange
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Stainless steel 4 bolt flange
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Stainless steel 3 bolt flange
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Stainless steel inserts
Rolling Mill bearing
Angular Contact Ball Bearing
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Angular Conact Ball Bearing
- d 10-17mm
- d 17-30mm
- d 30-45mm
- d 45-60mm
- d 65-80mm
- d 80-95mm
- d 95-110mm
- d 110-160mm
- d 160-280mm
- d 280-380mm
- High Speed d 10-20mm
- High Speed d 20-35mm
- High Speed d 35-55mm
- High Speed d 55-70mm
- High Speed d 70-85mm
- High Speed d 85-105mm
- High Speed d 105-130mm
- High Speed d 130-170mm
- High Speed d 170-240mm
- High Speed d 10-35mm
- High Speed d 40-75mm
- High Speed d 80-120mm
- High Speed d 130mm
- Magnetor d 4-20mm
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Four Point Angular Conact Ball Bearing
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Double Row Angular Conact Ball Bearing
Thrust Ball Bearing
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Single-Way
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Double-Way
Thrust Roller Bearing
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Thrust Cylindrical Roller Bearing
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Thrust Taper Roller Bearing
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Thrust Spherical Roller Bearings
Needle Roller Bearing
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Needle roller bering
- Axial Cylindrical Roller and Cage Assemblies
- Thrust needle roller and cage assemblies
- Drawn Cup Full Complement Needle Roller Bearing
- Drawn Cup Needle Roller Bearings – HKBK type
- Drawn Cup Roller Clutches Clutch And Bearing Assemblies
- Heavy Duty Full Complement Needle Roller Bearings
- Heavy Duty Needle Roller Bearings With Inner Ring
- Heavy Duty Needle Roller Bearings Without Inner Ring
- Heavy Duty Needle Roller Bearings Without Ribs
- IR LR Inner Ring
- Radial Needle Roller and Cage Assemblies – K type
- Radial Needle Roller and Cage Assemblies – KBK type
- Radial Needle Roller and Cage Assemblies – KZK type
- Sealed Drawn Cup Needle Roller Bearing
- Sealed Heavy Duty Needle Roller Bearing With or Without Inner Ring
- Track Roller Bearings RNA22 Series
Track Roller Bearing
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Track Roller Bearings
- Yoke Type Track Rollers NATR/NATV Series
- Yoke Type Track Rollers NUTR Series
- Yoke Type Track Rollers PWTR Series
- Yoke Type Track Rollers RSU Series
- LR series Track Roller Bearings
- LFR series Track Roller Bearings
- Cylindrical Track Roller Bearings
- Mast Rollers Single Row Ball Bearing Type
- Mast Rollers Double Row Angular Contact Ball Bearing Type
- Chain Pulley Single Row Deep Groove Ball Bearing Type
- Chain Pulley Double Row Angular Contact Ball Bearing Type
- Chain Pulley Cylindrical Roller Type
Spherical Ball Bearing
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Spherical Ball Bearing
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Sphercial Ball Bearing with double seals
Cylindrical Roller Bearing
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Cylindrical roller bearing
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Double row Cylindrical roller bearing
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Four row Cylindrical roller bearing
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Miniature and small stainless steel inch size ball bearings>
d 55-75mm>Number：6311N 6311NR 6311-ZN 6311-ZNR
Inquiry
6311N 6311NR 6311-ZN 6311-ZNR
Principal dimensions (mm)
- d: 55
- D: 120
- B: 29
- r 1,2 min: 2.0
- r s min: 0.5
Basic load ratings (kn)
- Cr: 71.60
- Cor: 44.80
Speed ratings(r/min)
- Grease: 5600
- Oil: 6700
Bearing No.
- N: 6311N
- NR: 6311NR
- -ZN: 6311-ZN
- -ZNR: 6311-ZNR
Snap Ring(mm)
- No.: NR120
- D 2 max: 129.7
- f: 2.82
Snap Groove(mm)
- D n max: 115.21
- b min: 3.10
- a max: 4.06
- r o max: 0.60
Fitting dimension (mm)
- d a min: 64.00
- D a max: 111.0
- D b min: 131
- b a min: 3.5
- C a max: 6.88
- r a max: 2.0
