Inquiry View Basic dimension mm Basic rated load Code Rated speed r/min Mass
kg 		Dimension mm Shoulder and chamfer size mm
d D B/B1 Dynamic ckn Static
co
kn 		Reference speed Limit speed r/min d1≈ D1≈ F,E r1.2
min 		r3.4
min 		S1) da
min 		da
max 		db
min 		Da
max 		cancel ra
max 		rb
max
220 400 65 1060 1290 NJ244MA 1700 3000 39 284 343.7 268 4 4 2.3 238 263 288 383 - 3 3
220 400 65 1060 1290 NUP244MA 1700 3000 39.5 284 343.7 268 4 4 - 238 - 288 383 - 3 3
220 400 108 1570 2280 NU2244ECMA 1600 3000 62.5 - 350 259 4 4 7.9 237 254 263 383 - 3 3
220 400 108 1570 2280 NJ2244ECMA 1600 3000 62.5 278 350 259 4 4 7.9 237 254 282 383 - 3 3
220 400 108 1570 2280 NUP2244ECM 1600 3000 64.5 278 350 259 4 4 - 237 - 282 383 - 3 3
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