Item # BST45X75-1BDTTT, Quadruple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DTTT Arrangement, Open Type, Four Rows Bear Axial Load On NTN Bearing Corp. of America

Search Catalog



	All Categories Quadruple-Row Angular Contact Thrust Ball Bearings for Ball Screws


	Item # BST45X75-1BDTTT, Quadruple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DTTT Arrangement, Open Type, Four Rows Bear Axial Load

Unit of Measure: Imperial Metric Both

Order Now · Technical Specifications · Dimensional Specifications

Order Now

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		Four

Static Load Rating		69500 lbf 310000 N 310.00 kN

Enclosure		Open

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

Dimensional Specifications

		Quadruple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DTTT Arrangement, Open Type, Four Rows Bear Axial Load - Dimensions larger image

d		1.7717 in 45.000 mm

D		2.9528 in 75.000 mm

B		0.5906 in 15.000 mm

4B		2.3622 in 60.000 mm

d1		2.2992 in 58.400 mm

d2		2.1339 in 54.200 mm

D1		2.5827 in 65.600 mm

D2		2.7441 in 69.700 mm

r		0.0394 in 1.000 mm

r1		0.0236 in 0.600 mm

Contact Angle		60 º

Item # BST45X75-1BDTTT, Quadruple-Row Angular Contact Thrust Ball Bearing for Ball Screws - DTTT Arrangement, Open Type, Four Rows Bear Axial Load