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Technical Specifications
Bearing No. | Shaft diameter (d) | Dimension (mm) | Bolt specification | Bearing No. | Housing No. | weight (kg) | ||||||||||
min | mm | H | L | J | A | N | N1 | H1 | H0 | S | B1 | |||||
NAP305-14 305-15 305 305-16 | 7/8 15/16 1 | 25 | 45 | 175 | 132 | 45 | 17 | 20 | 15 | 85 | 16.7 | 46,8 | M14 | NA 305-14 305-15 305 305-16 | P305 | 1.53 |
NAP306-18 306 306-19 | 1-1/8 1-3/16 | 30 | 50 | 180 | 140 | 50 | 17 | 20 | 18 | 95 | 17,5 | 50 | M14 | NA306-18 306 306-19 | P306 | 1.94 |
NAP307-20 307-21 307-22 307 | 1-1/4 1-5/16 1-3/8 | 35 | 56 | 210 | 160 | 56 | 17 | 25 | 20 | 106 | 18,3 | 51,6 | M14 | NA307-20 307-21 307-22 307 | P307 | 3.08 |
NAP308-24 308-25 308 | 1-1/2 1-9/16 | 40 | 60 | 220 | 170 | 60 | 17 | 27 | 22 | 116 | 19,8 | 57,1 | M14 | NA308-24 308-25 308 | P308 | 3.47 |
NAP309-26 309-27 309-28 309 | 1-5/8 1-11/16 1-3/4 | 45 | 67 | 245 | 190 | 67 | 20 | 30 | 24 | 129 | 19,8 | 58,7 | M16 | NA309-26 309-27 309-28 309 | P309 | 4.54 |
NAP310-30 310-31 310 | 1-7/8 1-15/16 | 50 | 75 | 275 | 212 | 75 | 20 | 35 | 27 | 143 | 24.6 | 66,6 | M16 | NA310-30 310-31 310 | P310 | 6.32 |
NAP311-32 311-34 311 311-35 | 2 2-1/8 2-3/16 | 55 | 80 | 310 | 236 | 80 | 20 | 38 | 30 | 154 | 27,8 | 73 | M16 | NA311-32 311-34 311 311-35 | P311 | 7.9 |
NAP312-36 312 312-38 312-39 | 2-1/4 2-3/8 2-7/16 | 60 | 85 | 330 | 250 | 85 | 25 | 38 | 32 | 164 | 30.95 | 79,4 | M20 | NA312-36 312 312-38 312-39 | P312 | 9.51 |
NAP313-40 313 | 2-1/2 | 65 | 90 | 340 | 260 | 90 | 25 | 38 | 33 | 176 | 32.55 | 85,7 | M20 | NA313-40 313 | P313 | 11.8 |
NAP314-44 314 | 2-3/4 | 70 | 95 | 360 | 280 | 90 | 27 | 40 | 35 | 187 | 34,15 | 92,1 | M22 | NA314-44 314 | P314 | 13.6 |
NAP315 315-48 | 3 | 75 | 100 | 380 | 290 | 100 | 27 | 40 | 35 | 198 | 37,3 | 100 | M22 | NA315 315-48 | P315 | 16.8 |
NAP316 | 80 | 106 | 400 | 300 | 110 | 27 | 40 | 40 | 210 | 40,5 | 106.4 | M22 | NA316 | P316 | 18.9 | |
NAP317-52 317 | 3-1/4 | 85 | 112 | 420 | 320 | 110 | 33 | 45 | 40 | 220 | 42.05 | 109,5 | M27 | NA317-52 317 | P317 | 21.5 |
NAP318-56 318 | 3-1/2 | 90 | 118 | 430 | 330 | 110 | 33 | 45 | 40 | 235 | 43.56 | 115,9 | M27 | NA318-56 318 | P318 | 26.5 |
NAP319 319-60 | 3-3/4 | 85 | 125 | 470 | 360 | 120 | 36 | 50 | 45 | 250 | 38.9 | 122,3 | M30 | NA319 319-60 | P319 | 33.2 |
NAP320 320-64 | 4 | 100 | 140 | 490 | 380 | 120 | 36 | 50 | 50 | 275 | 50 | 128,6 | M30 | NA320 320-64 | P320 | 39.6 |
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Suffixes |
|
Sealing Types |
|
2Z |
Metal shield (non-contact sealing) on both sides |
2RS |
One lip rubber metal seal on both sides |
2RS1 |
One lip rubber metal seal on both sides |
2S |
One lip rubber metal seal (on both sides) |
2F |
One lip rubber metal seal + flinger, on both sides |
2T |
Three lip seal on both sides |
T |
Outer ring with stopping pin |
2TC |
Three lip seal on both sides+ metal cover |
2TB |
Three lip seal + metal shield, on both sides |
TDT |
Three lip seal at one side, double three lip seal on the other side |
FS |
Sealing with one lip seal and a protective metal ring at one side and one lip seal on the other side |
TBS |
Sealing with three lip seal and a protective metal ring at one side and one lip seal on the other side |
TBT |
Sealing with three lip seal and a protective metal ring at one side and three lip seal on the other side |
2P |
Five lip seal on both sides |
2PB |
Five lip seal and metal shield, on both sides |
2PC |
Five lip seal on both sides + metal cover |
P |
Triple lip seal on one side, cylindrical surface of outer ring |
PP |
Triple lip seal, cylindrical surface of outer ring |
PB |
Triple lip seal on one side, spherical surface of outer ring |
PPB |
Triple lip seal, spherical surface of outer ring |
RR |
One lip seal cylindrical surface of outer ring |
RRB |
One lip seal spherical surface of outer ring |
KPP |
Triple lip seal cylindrical surface of outer ring |
KPPB |
Triple lip seal spherical surface of outer ring |
KR |
One lip seal on one side, cylindrical surface of outer ring |
KRR |
One lip seal, cylindrical surface of outer ring |
KRB |
One lip seal on one side, spherical surface |
KRRB |
One lip seal, spherical surface |
KRP |
One lip seal on one side and on the other side is triple lip seal |