Product Catalog
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
Inquiry
NNU4921/W33 NNU4921K/W33
Boundary Dimensions(mm)
- d: 105
- D: 145
- B: 40
- r 1,2 min: 1.1
- Fw: 118
- Ew:
- b: 8
- k: 3
Load Rating(kN)
- Cr: 146
- Cor: 268
Speed ratings(r/min)
- Grease: 5300
- Oil: 6000
Bearing symbol
- Cylindrical: NNU4921/W33
- Tapered bore: NNU4921K/W33
Mounting dimensions (mm)
- d a min: 111.5
- d a max: 116
- d b min: 120
- D a max: 138.5
- D a min:
- r a max: 1
