Item # BNT208DB/GLP4, Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement On NTN Bearing Corp. of America

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	Item # BNT208DB/GLP4, Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement

Double Angular Contact Ball Bearing for Motors and Lathes

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Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement - 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		17000 RPM

Limiting Speed - Grease		13000 RPM

Seal Type		None

Seal Material		None

Precision		ISO Class 4

Configuration		Two

Preload		Light

Static Load Rating		7420 lbf 33000 N 33.00 kN

Dynamic Load Rating		10100 lbf 45000 N 45.00 kN

Enclosure		Open

Weight of Single Row Bearing		0.811 lb 0.368 kg

Weight		1.623 lb 0.736 kg

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

Dimensional Specifications

		Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement - Dimensions larger image

d		1.5748 in 40.000 mm

D		3.1496 in 80.000 mm

B		0.7087 in 18.000 mm

2B		1.4173 in 36.000 mm

d1		2.0866 in 53.000 mm

d2		1.8780 in 47.700 mm

D1		2.6378 in 67.000 mm

r		0.0433 in 1.100 mm

r1		0.0236 in 0.600 mm

Contact Angle		15 º

da min		1.8504 in 47.000 mm

Da max		2.8740 in 73.000 mm

ras max		0.0394 in 1.000 mm

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Item # BNT208DB/GLP4, Double Angular Contact Ball Bearing for Motors and Lathes - Back-to-Back Arrangement

Ordering Options

Type

Bore Type

Material

Cage Type

Cage Material

Ball Material

Limiting Speed - Oil

Limiting Speed - Grease

Seal Type

Seal Material

Precision

Configuration

Preload

Static Load Rating

Dynamic Load Rating

Enclosure

Weight of Single Row Bearing

Weight

Operating Temperature Range

d

D

B

2B

d1

d2

D1

r

r1

Contact Angle

da min

Da max

ras max

2014-07-29 | PRESS RELEASE

2014-05-09 | PRESS RELEASE