Item # BNT004/GNP2, Single Angular Contact Ball Bearings for Motors and Lathes On NTN Bearing Corp. of America

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	Item # BNT004/GNP2, Single Angular Contact Ball Bearings for Motors and Lathes

Single Angular Contact Ball Bearings for Motors and Lathes

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Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions

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Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

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Ordering Options		Find a Distributor Contact NTN Customer Support Specialist Order through NTN DOL (Authorized Distributors Only)

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		68300 RPM

Limiting Speed - Grease		34300 RPM

Precision		ISO Class 2

Configuration		One

Preload		Normal

Factor		9.2

Static Load Rating		890 lbf 3950 N 3.95 kN

Dynamic Load Rating		1800 lbf 8000 N 8.00 kN

Enclosure		Open

Weight		0.146 lb 0.066 kg

Operating Temperature Range		-40 to 250 ºF -40 to 120 ºC

Dimensional Specifications

		Single Angular Contact Ball Bearings for Motors and Lathes - Dimensions larger image

d		0.7874 in 20.000 mm

D		1.6535 in 42.000 mm

B		0.4724 in 12.000 mm

d1		1.0787 in 27.400 mm

d2		0.9803 in 24.900 mm

D1		1.3976 in 35.500 mm

r		0.0236 in 0.600 mm

r1		0.0118 in 0.300 mm

Contact Angle		15 º

a		0.3937 in 10.000 mm

da min		0.9646 in 24.500 mm

db min		0.8858 in 22.500 mm

Da max		1.4764 in 37.500 mm

ras max		0.0236 in 0.600 mm

r1as max		0.0118 in 0.300 mm

Double Row Width		0.9449 in 24.000 mm

Triple Row Width		1.4173 in 36.000 mm

Quadruple Row Width		1.8898 in 48.000 mm

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Item # BNT004/GNP2, Single Angular Contact Ball Bearings for Motors and Lathes

Ordering Options

Type

Bore Type

Material

Cage Type

Cage Material

Ball Material

Limiting Speed - Oil

Limiting Speed - Grease

Precision

Configuration

Preload

Factor

Static Load Rating

Dynamic Load Rating

Enclosure

Weight

Operating Temperature Range

d

D

B

d1

d2

D1

r

r1

Contact Angle

a

da min

db min

Da max

ras max

r1as max

Double Row Width

Triple Row Width

Quadruple Row Width

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE