Page 65 of Precision Rolling Bearings by NTN Corporation Japan

ntn main spindle bearings hse type 5s 2la-hse 0 20 t2 ad db /gl p4 contact angle code c 15° ad 25° no symbol 20° bore diameter code see dimension table dimension series code bearing type 2la special material with improved surface treatment hsl type 5s 2la-hsl 0 20 db +xx dn /gl p4 +tkz spacer code located beside bearings spacer code located between bearings spacer width dimension bearing type notes hsl bearing series code xxdn eco-friendly nozzle or spacer with eco friendly nozzle located between bearings tkz eco-friendly nozzle or spacer with eco friendly nozzle located beside bearings 79cd ad 70cd ad type 5s 7006 cd llb db /gl p42 /l448 accuracy class p42 dimensional accuracy jis class 4 running accuracy jis class 2 bearing type ultage series cd contact angle 15 ad contact angle 25 bns type 5s 2la-bns 0 20 llb db /gl p4 /l448 grease code /l448 special grease mp-1 seal code llb non-contact rubber seal on both sides bearing type 59

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