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NTN 6221NR Medium Size Ball Bearing(Standard)
MODEL 6221NR
$1,716.56 Each
Prices are subject to change
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Type
Deep Groove Ball Bearing
Enclosure
Open
Style
Radial Ball Bearing
Static Load Rating
23600 lbf
Cage Type
Pressed
Material
High Carbon Chrome Steel
Factor
14.4
Precision
ISO Class 0
Radial Internal Clearance
CN
Bore Type
Round
Ball Material
Steel
Cage Material
Steel
Limiting Speed - Oil
4200 RPM
Dynamic Load Rating
33040 lbf
Operating Temperature Range
-40 to 250 °F
Configuration
One
Limiting Speed - Grease
3500 RPM
Technical Specifications
Type | Deep Groove Ball Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Pressed |
Cage Material | Steel |
Ball Material | Steel |
Limiting Speed - Oil | 4200 RPM |
Limiting Speed - Grease | 3500 RPM |
Precision | ISO Class 0 |
Configuration | One |
Factor | 14.4 |
Radial Internal Clearance | CN |
Static Load Rating | 23600 lbf105000 N105.00 kN |
Dynamic Load Rating | 29900 lbf133000 N133.00 kN |
Enclosure | Open |
Weight | 8.356 lb3.790 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 4.1339 in105.000 mm |
D | 7.4803 in190.000 mm |
B | 1.4173 in36.000 mm |
D1 | 7.2299 in183.640 mm |
D2 | 7.9882 in202.900 mm |
a | 0.2240 in5.690 mm |
f | 0.1220 in3.100 mm |
r | 0.0827 in2.100 mm |
r1 | 0.0197 in0.500 mm |
da min | 4.5669 in116.000 mm |
da max | 4.9213 in125.000 mm |
Da max | 7.0472 in179.000 mm |
ras max | 0.0787 in2.000 mm |
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