Page 78 - Catalogue Roulements

• Roulements à rouleaux cylindriques NTN

ra
r1a

r1a ra
φ Da φ dc φ da φ φ φ de φ Db φ db φ Db
dc
dd
Charge radiale dynamique
équivalente
Pr = Fr
Charge radiale statique
équivalente
Por = Fr

Dimensions Autres dimensions Poids
mm mm kg
type da db dc dd de Da Db ras r1as type NU type N
NF Fw Ew J min min max min min max max min 4) max max (approx.)

— 52.5 67.5 55.5 49 50 52 54 56 70 71 68.5 1 0.6 0.28 0.276
NF 55 75 59 51.5 51.5 54 57 61 78.5 78.5 77 1 1 0.432 0.423
— 54.5 — 58.9 51.5 — 54 57 61 78.5 — — 1 1 0.495 —
— 55 75 59 51.5 51.5 54 57 61 78.5 78.5 77 1 1 0.53 0.52
— 54.5 — 58.9 51.5 — 54 57 61 78.5 — — 1 1 0.6 —
NF 58.5 86.5 64 53 53 57 60 66 92 92 89 1.5 1.5 0.877 0.857
— 58.5 — 64.5 53 — 57 60 66 92 — — 1.5 1.5 0.996 —
— 58.5 86.5 64 53 53 57 60 66 92 92 89 1.5 1.5 1.27 1.24
— 58.5 — 64.5 53 — 57 60 66 92 — — 1.5 1.5 1.41 —
NF 64.5 100.5 71.8 54 54 63 66 74 111 111 102 2 2 1.62 1.58

— 57.5 72.5 60.5 54 55 57 59 61 75 76 73.5 1 0.6 0.295 0.291
NF 60.4 80.4 64.6 56.5 56.5 58 62 67 83.5 83.5 83 1 1 0.47 0.46
— 59.5 — 63.9 56.5 — 58 62 67 83.5 — — 1 1 0.54 —
— 60.4 80.4 64.6 56.5 56.5 58 62 67 83.5 83.5 83 1 1 0.571 0.56
— 59.5 — 63.9 56.5 — 58 62 67 83.5 — — 1 1 0.652 —
NF 65 95 71 59 59 63 67 73 101 101 98 2 2 1.14 1.11
— 65 — 71.4 59 — 63 67 73 101 — — 2 2 1.3 —
— 65 95 71 59 59 63 67 73 101 101 98 2 2 1.7 1.67
— 65 — 71.4 59 — 63 67 73 101 — — 2 2 1.9 —
NF 70.8 110.8 78.8 61 61 69 73 81 119 119 112 2 2 2.02 1.97

— 64.5 80.5 67.7 60 61.5 63 66 68.5 83.5 85 81.5 1 1 0.442 0.435
NF 66.5 88.5 70.8 61.5 63 65 68 73 92 93.5 91 1.5 1 0.638 0.626
— 66 — 70.8 61.5 — 65 68 73 92 — — 1.5 1 0.718 —
— 66.5 88.5 70.8 61.5 63 65 68 73 92 93.5 91 1.5 1 0.773 0.758
— 66 — 70.8 61.5 — 65 68 73 92 — — 1.5 1 0.968 —
NF 70.5 104.5 77.2 64 64 69 72 80 111 111 107 2 2 1.45 1.42
70.5 — 77.7 64 — 69 72 80 111 — — 2 2 1.65 —
— 70.5 104.5 77.2 64 64 69 72 80 111 111 107 2 2 2.17 2.13
70.5 — 77.7 64 — 69 72 80 111 — — 2 2 2.37 —
NF 77.2 117.2 85.2 66 66 76 79 87 129 129 119 2 2 2.48 2.42

— 69.5 85.5 72.7 65 66.5 68 71 73.5 88.5 90 86.5 1 1 0.474 0.467
NF 73.5 97.5 78.4 68 68 71 75 80 102 102 100 1.5 1.5 0.818 0.802
72 — 77.6 68 — 71 75 80 102 — — 1.5 1.5 0.923 —
— 73.5 97.5 78.4 68 68 71 75 80 102 102 100 1.5 1.5 1.06 1.04

4) Non valable pour les roulements du type NF.

B-83