NTN Angular Contact Ball Bearing , 7221 Star Key Set Magic Spring Black Size (") Length (mm) Chain

Size (") Length (mm) Chain Length (mm) Usage range (mm) 100-0511 SM-CW12(12") 12 300 400 14~89 100-0520 SM-CW15(15") 15 380 500 17~120 100-0539 SM-CW24(24") 24 600 600 25~170

¤Internal design

SP-7146EX(1/2SQ)

Thanks to the one-piece blade

Reference Mechanical Grease Oil NU332M 160 340 68 4 4 204 　 860 1050 1900 　 1700 2000 31

NTN Angular Contact Ball Bearing , 7221 Star Key Set Magic Spring Black Size (") Length (mm) ChainItem # d D B r Static Load Rating Dynamic Load Rating 7221 4. 1339 in 105. 000 mm 7. 4803 in 190. 000 mm 1. 4173 in 36. 000 mm 0. 0827 in 2. 100 mm 32000 lbf 142000 N 142. 00 kN 35500 lbf 157000 N 157. 00 kN 1. Design features and characteristics 1. 1 Angular contact ball bearing Angular contact ball bearings are non separable bearings with a defined contact angle in the radial direction relative to the straight line that runs through the point where