Item # 4R2908, Four-Row Cylindrical Roller Bearing w/Solid Rollers & Machined Cage On NTN Bearing Corp. of America

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	Item # 4R2908, Four-Row Cylindrical Roller Bearing w/Solid Rollers & Machined Cage

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		Cylindrical Roller Bearing

Bore Type		Round

Material		Through Hardened Steel

Cage Material		Machined Steel

Precision		ISO Class 0 (RBEC 1)

Configuration		Four

Oil Hole		w/o Oil Hole

Radial Internal Clearance		CN

Static Load Rating		395000 lbf 1750000 N 1750.00 kN

Dynamic Load Rating		182000 lbf 810000 N 810.00 kN

Enclosure		Open

Weight		51.588 lb 23.400 kg

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

Dimensional Specifications

		Four-Row Cylindrical Roller Bearing w/ Solid Rollers & Machined Cage - Dimensions larger image

d		5.7087 in 145.000 mm

D		8.8583 in 225.000 mm

B1		6.1417 in 156.000 mm

C1		6.1417 in 156.000 mm

Fw		6.6535 in 169.000 mm

r		0.0984 in 2.500 mm

r1		0.0984 in 2.500 mm

Item # 4R2908, Four-Row Cylindrical Roller Bearing w/Solid Rollers & Machined Cage