Item # N312G1, Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - N Type On NTN Bearing Corp. of America

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Technical Specifications

Type	N/A Cylindrical Roller Bearing
Bore Type	N/A Round
Material	N/A Hardened Alloy Steel
Cage Material	N/A High Strength Machined Brass Rivetless w/ square holes
Limiting Speed - Oil	N/A 6500 RPM
Limiting Speed - Grease	N/A 5500 RPM
Precision	N/A ISO Class 0
Configuration	N/A One
Oil Hole	N/A w/o Oil Hole
Radial Internal Clearance	N/A CN
Static Load Rating	N/A 28300 lbf126000 N126.00 kN
Dynamic Load Rating	N/A 27900 lbf124000 N124.00 kN
Enclosure	N/A Open
Weight	N/A 4.114 lb1.866 kg
Operating Temperature Range	N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Loading zoom Open Image Cylindrical Roller Bearing - Inner Ring w/ Two Ribs, Separable, Plain Outer Ring - Dimensions
d	N/A 2.3622 in60.000 mm
D	N/A 5.1181 in130.000 mm
B	N/A 1.2205 in31.000 mm
Ew	N/A 4.4488 in113.000 mm
J	N/A 3.3150 in84.200 mm
r	N/A 0.0787 in2.000 mm
da min	N/A 2.7953 in71.000 mm
db min	N/A 2.7953 in71.000 mm
Da max	N/A 4.6850 in119.000 mm
Db max	N/A 4.6850 in119.000 mm
Db min	N/A 4.6850 in119.000 mm
r1as max	N/A 0.0787 in2.000 mm