Item # BST20X47-1BDFT, Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load On NTN Bearing Corp. of America

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	Item # BST20X47-1BDFT, Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load

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		Ball Screw Support Bearing

Bore Type		Round

Material		High Carbon Chrome Steel

Cage Type		Molded

Cage Material		Resin

Configuration		Three

Static Load Rating		16900 lbf 75000 N 75.00 kN

Dynamic Load Rating		8900 lbf 39500 N 39.50 kN

Enclosure		Open

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

Dimensional Specifications

		Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load - Dimensions larger image

d		0.7874 in 20.000 mm

D		1.8504 in 47.000 mm

B		0.5906 in 15.000 mm

3B		1.7717 in 45.000 mm

d1		1.1772 in 29.900 mm

d2		1.0118 in 25.700 mm

D1		1.4606 in 37.100 mm

D2		1.6220 in 41.200 mm

r		0.0394 in 1.000 mm

r1		0.0236 in 0.600 mm

Contact Angle		60 º

Item # BST20X47-1BDFT, Triple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DFT Arrangement, Open Type, Two Rows Bear Axial Load