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Single Angular Contact Ball Bearings for Motors and Lathes
MODEL BNT203/GNP4
$2,241.49 Each
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a (in)
0.3898
B (in)
0.4724
Ball Material
Steel
Ball material
Steel
Bore Type
Round
Bore type
Round
Cage Material
Phenolic Resin
Cage material
Phenolic resin
Cage Type
Machined
Cage type
Machined
Configuration
One
Contact angle
15 º
D (in)
1.5748
d (in)
0.6693
D1
1.3228 in
d1
0.9528 in
d2
0.8425 in
Da max
1.3976 in
da min
0.8465 in
db min
0.7677 in
Double Row Width
0.9449 in
Dynamic Load Rating
1920 lbf
Dynamic load rating
1920 lbf
Enclosure
Open
Factor
8.5
Limiting Speed - Grease
37000 RPM
Limiting speed - grease
37000 RPM
Limiting Speed - Oil
74100 RPM
Limiting speed - oil
74100 RPM
Material
High carbon chrome steel
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 4
Preload
Normal
Quadruple Row Width
1.8898 in
r (in)
0.0236
r1
0.0118 in
r1as max
0.0118 in
ras max
0.0236 in
Static Load Rating
855 lbf
Static load rating
855 lbf
Triple Row Width
1.4173 in
Type
Main Spindle Bearing
Technical Specifications
Type | Main Spindle Bearing |
Bore Type | Round |
Material | High Carbon Chrome Steel |
Cage Type | Machined |
Cage Material | Phenolic Resin |
Ball Material | Steel |
Limiting Speed - Oil | 74100 RPM |
Limiting Speed - Grease | 37000 RPM |
Precision | ISO Class 4 |
Configuration | One |
Preload | Normal |
Factor | 8.5 |
Static Load Rating | 855 lbf3800 N3.80 kN |
Dynamic Load Rating | 1920 lbf8550 N8.55 kN |
Enclosure | Open |
Weight | 0.134 lb0.061 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
Dimensional Specifications
| |
d | 0.6693 in17.000 mm |
D | 1.5748 in40.000 mm |
B | 0.4724 in12.000 mm |
d1 | 0.9528 in24.200 mm |
d2 | 0.8425 in21.400 mm |
D1 | 1.3228 in33.600 mm |
r | 0.0236 in0.600 mm |
r1 | 0.0118 in0.300 mm |
Contact Angle | 15 |
a | 0.3898 in10.000 mm |
da min | 0.8465 in21.500 mm |
db min | 0.7677 in19.500 mm |
Da max | 1.3976 in35.500 mm |
ras max | 0.0236 in0.600 mm |
r1as max | 0.0118 in0.300 mm |
Double Row Width | 0.9449 in24.000 mm |
Triple Row Width | 1.4173 in36.000 mm |
Quadruple Row Width | 1.8898 in48.000 mm |
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