(dimensions in mm)
Bearing Type - NJ
Bore Dia (d) - 20.0000
Outer Dia (D) - 52.0000
Width (B) - 21.0000
Radius (min) (rs) - 1.100
Dynamic Load Rating (Cr) - 42,000
Static Load Rating (Cor) - 38,800
Max Speed (Grease) (X1000 RPM) - 11
Max Speed (Oil) (X1000 RPM) - 14
Max. Shaft Shoulder Dia. Inner (Li) - 27.5
Min. Housing Shoulder Dia., Outer (Lo) - 45.5
Weight (g) - 248.00
Precision - RBEC 1
Standard Clearance - C0
Material - 52100 Chrome steel, or equivalent
Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".
This bearing is also available with the HJ end plate for the inner race.
Suffix definitions are listed in the Nomenclature Technical document.
This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.
Hot number:TIMKEN 778/772 OKB NACHI 7307CDF NACHI BPP1 AST GEH320XT CX RPNA40/55 AST LBB 8 OP NACHI NJ 2218 NSK NSA03501 INA PHEY35 Torrington (Old No.) 23136 ELGES 63807-2RS SKF 30308 NHBB TP216 NOK IUIS 155 140 9 標準
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