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  • Introduction
  • Product
    category
  • Tolerance
  • Radial
    clearance
  • Cage
  • Allowable
    angle error
  • Operating
    temperature
  • Equivalent
    dynamic load
  • Equivalent
    static load
  • Code
    description
  • Deep Groove Ball Bearings
  • Angular Contanct Ball Bearings
  • Self Aligning Ball Bearings
  • Cylindrical Roller Bearings
  • Tapered Roller Bearings
  • Spherical Roller Bearings
  • Thrust Ball Bearings
  • Thrust Roller Bearings
  • Slewing Bearings
    Four Point Contact Slewing Bearings Double Row Angular Contact Slewing Bearings Crossed Roller Slewing Bearings Triple Row Cylindrical Roller Slewing Bearings External-toothed Six Row Cylindrical Roller Slewing Bearings
  • Needle Bearings
    Drawn Cup Needle Roller Bearings Thrust Needle Roller Bearings Brake Caliper Needle Roller Bearings
  • Linear Guideway
  • Joint Bearings
    Joint Bearing Rod Ends Spherical Plain Bearings
  • Adapter Sleeve
  • Withdrawal Sleeve
  • Seals
    Radial shaft seals Cassette seals Wear sleeves Track pin seals Metal face seals V-ring seals Axial clamped seals Principles of sealing selection
  • Insert Bearing With Housing
  • Insert Bearing
  • Custom Product Posts
  • Rail Transit Industry
    City railway train Railway Locomotive Passenger train Railway freight car bearing High-speed rail vehicles
  • Metallurgical Industry
    Hot rolling Cold rolling Iron-making Steel-making Mechanical gearbox
  • Construction Machinery
    Hoisting Machinery Mining machinery Coal machinery Tunnel boring machine Port machinery Petroleum machinery Piling machinery
  • Cement Machinery
    Roller press bearing Impact crusher bearing Jaw crusher bearing Counterattack crusher bearing Vibrating screen bearing Coal mill bearing Cement vertical mill bearing
  • Precision Machinery
    Machine tool bearing Compressor bearing Pump bearing Electrical motors bearing
  • Transmission Industry
    Reduction gearbox bearing Wind power acceleration gearbox bearing
  • Wind Power Industry
  • Automobile Industry
    • Cylindrical Roller Bearings

    Double Row Full Complement Cylindrical Roller Bearings

    The cylindrical roller is in line contact with the raceway, and the radial load capacity is large. It is not only suitable for bearing heavy load and impact load, but also suitable for high-speed rotation. CRB raceways and rolling element geometric shapes have been improved and designed to have higher load-bearing capacity. The new structural design of ribs and roller end faces not only improves the axial load-bearing capacity of the bearing, but also improves the roller end faces. The lubrication condition of the contact area with the rib improves the performance of the bearing. This type of bearing is mainly used in medium and large motors, generators, internal combustion engines, gas turbines, machine tool spindles, reduction gears, loading and unloading handling machinery, and various industrial machinery.

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    Category
    Tolerance
    Sinofou produces single-row, double-row and four-row CRB with tolerances of up to Class 4, and also produces double-row cylindrical roller bearings with special tolerances of Class SP and UP for machine tool spindles.
    Radial Clearance

    The standard products of Sinofou single-row CRB have basic radial clearance, and also can have 3, 4 groups of clearance.

    The standard products of Sinofou double-row CRB have 1 group of clearance, cylindrical bore bearings also can have 2, 3 groups of clearance, and tapered bore bearings also can have 2 groups of clearance.

    The standard products of Sinofou four-row CRB have 3 groups of clearance, and other clearance products are also available.

    Bearings with radial clearance greater than or less than the standard value can also be produced according to user requirements.

    Cage
    Single-row CRB mostly use vehicle solid cages, stamping cages, nylon cages, etc. Double-row cylindrical roller bearings mostly use turned brass cage, sometimes can also use nylon cages. Four-row cylindrical roller bearings mainly use turned brass cage, and for larger size, turned solid pillar cages shall be used. 
    Allowable angle error
    Operating temperature
    Equivalent Dynamic Load
    Equivalent Static Load
    Code description

    /C9T  Double-row CRB have different clearances between the two rows of raceways.

    D  Split bearing.

    DR  Two rows of split bearings are used in pairs.

    E  Internal design change with reinforced structure. (The raceway size conforms to the current national standard (reinforced type), and the roller diameter and the length are increased compared with the non-reinforced type.)

    FC…ZW  Four-row CRB with single inner ring, double outer rings with double ribs, and two rows of rollers against each other.

    J  Pressed sheet-steel cage, with additional number distinction when the material has a change.

    JA  Steel plate stamping cage with outer ring guide.

    JE  Stamping cage of hardened steel plate after phosphating treatment.

    K  Tapered bore bearing, with taper of 1:12.

    K30  Tapered bore bearing, with taper of 1:30.

    L  Light-alloy solid cage. When there is a change in the cage material, it shall be indicated by an additional number.

    LA  Light-alloy solid cage with outer ring guide.

    LB  Light-alloy solid cage with inner ring guide.

    M  Brass solid cage.

    MA  Brass solid cage with outer ring guide.

    MB  Brass solid cage with inner ring guide.

    N  There is a snap groove on the outer ring of the bearing.

    NB  Narrow inner ring bearing.

    NB1  Narrow inner ring bearing, with narrow on one side.

    NC  Narrow outer ring bearing.

    NR  The bearing has a snap groove on the outer ring with a snap ring.

    N1  The outer ring of the bearing has a positioning notch.

    N2  The outer ring of the bearing has two or more symmetrical positioning notches.

    Q  Bronze solid cage, with additional numbers to indicate different materials.

    /QR  Combination of four CRB with equal distribution of radial loads.

    R  The outer ring of the bearing has a stop rib (flange outer ring).

    -RS  One side of the bearing is equipped with a skeleton rubber sealing ring.

    -2RS  Bearings with RS seals on both sides.

    -RSZ  One side of the bearing is equipped with a skeleton rubber sealing ring (contact type) and the other side is equipped with a dustproof cover.

    -RZ  One side of the bearing is equipped with a skeleton rubber sealing ring (non-contact).

    -2RZ  Bearings with RZ seals on both sides.

    S  Martensite quenching.

    VB  Vibrating screen bearing.

    W B  Wide inner ring bearing (double-sided width).

    W B1  Wide inner ring bearing (one-side width).

    W C  Wide outer ring bearing.

    X  CRB fully equipped with flat retaining ring rollers.

    X1  The outer diameter is non-standard.

    X2  The width (height) is non-standard. 

    X3  The outer diameter and width (height) are non-standard (standard inner diameter).

    -Z  Bearing with shield on one side .

    -2Z  Bearing with shield on both sides.

  • Internal diameter
    mm
    mm
  • External diameter
    mm
    mm
  • Width
    mm
    mm
  • Double Row Full Complement Cylindrical Roller Bearings
  • Insulated Cylindrical Roller Bearings
  • Split Cylindrical Roller Bearings
  • Rolling Bearings
  • Sendzimir Bearings
    • 3
    3
    1
    2
    Basic dimensions mm Basic load ratings kN Limit Rotational Speed rmin Bearing part number Mounting dimensions mm Weight kg
    d D B r1min rmin E Cr Cor Grease lubrication Oil lubrication Bearing part number damin damax Dbmax Dbmin Weight
    140 300 62 4 4 260 595 806 1900 2400 IS-N328M 156 256 284 264 21.9
    130 230 40 3 3 209.5 354 496 2200 2800 IS-N226EM 143 206 217 213 7.09
    120 215 40 2.1 2.1 191.5 270 391 2400 3000 IS-N224M 131 140 204 195 6.11
    110 240 50 3 3 211 420 596 2000 2600 IS-N322EM 123 204 227 215 11.4
    110 240 50 3 3 207 373 479 2000 2600 IS-N322 123 208 227 210 10.2
    105 225 49 3 3 201 416 527 2200 2800 IS-N321EM 118 130 212 203 10.5
    100 215 47 3 3 191.5 372 468 2400 3000 IS-N320EM 113 188 202 195 9.67
    100 215 47 3 3 185.5 335 400 2400 3000 IS-N320M 113 182 202 190 8.24
    100 180 34 2.1 2.1 163 242 333 3200 3800 IS-N220EM 111 160 169 166 3.77
    95 200 45 3 3 177.5 307 390 2600 3200 IS-N319EM 108 174 187 181 7.1
    2
    3
    Basic dimensions mm Basic load ratings kN Other dimensions mm Bearing part number Weight kg
    d D B C r1min rmin Cr Cor D1 d1 G b δ Bearing part number Weight
    770 950 380 290 6 6 3950 11700 890 820 882 6º ND6/770D/HCR 550
    750 960 380 290 5 15 3940 10800 887 806 870 6º ND6/750DF3/HCR 626
    750 960 380 290 5 15 3940 10800 887 806 870 6º ND6/750D/HCR 626
    750 920 185 106 7.5 7.5 2400 6250 864 802 863 8 6º N6/750DF3 241
    750 920 185 106 7.5 7.5 2400 6250 864 802 863 8 6º N6/750D 241
    711.2 892.2 184.15 87.3 5 7.5 1790 5600 823 767.5 820 8 6º N6/711.2DF3 225
    711.2 892.2 184.15 87.3 5 7.5 1790 5600 823 767.5 820 8 6º N6/711.2D 225
    700 870 380 290 12 12 3500 10200 749 811 821 10 6º ND6/700D/HCRYA8 494
    650 840 390 300 6 6 4130 11200 794 706 772 6º ND6/650D-1/DR 538
    650 820 380 290 5 17 3250 9100 762 700 758 6º ND6/650D/DR 455
    630 794 380 278 5 10 3500 9400 740 676 736 10 6º ND6/630D/DR 407
    620 820 380 290 5 12 3400 9100 752 671 740 6º ND6/620D/DR 505
    500 670 450 360 5 5 3300 8700 613 543 610 6º ND69/500X2D/DR-SY 402
    400 685.8 292 166.7 3 8 3340 6250 596 458 548 12 6º N680D 378
    200 368.3 156.369 90.488 4 4 1060 1600 244 290 8.5 6º N640D-1 61.4
    200 368.3 156.369 90.488 4 4 1060 1600 312 244 290 8.5 6º N640D 63
    3
    2
    Basic dimensions mm Basic load ratings kN Limit Rotational Speed rmin Bearing part number Mounting dimensions mm Weight kg
    d D B C r1min rmin Cr Cor Grease lubrication Bearing part number e F Weight
    150 360 173 171 5 3.75×45° 1570 3040 200 NNTR150-2ZL 196 191 105
    140 320 170 170 5 2.5 1500 2830 210 NNTR140-2ZL-1/HCOYA1 145 300 70.2
    140 320 170 170 5 2.5 1500 2830 210 NNTR140-2ZL-1/HCO 145 300 80
    140 250 115 115 20×23° 4 755 1570 220 NUTR140250XS 160 160 27.1
    140 250 114 114 5 4 610 1300 220 NNTR140-2ZL 179 158 27.7
    130 310 146 144 5 3 1150 1930 260 NNTR130-2ZL-1 165 153 65
    130 275 110 110 2 7 660 1180 250 NNTR130-XRS 170 154 29.4
    130 250 106 103 4 4 800 1330 240 NNTR130-2ZL 160 147 26.8
    130 230 120 120 4 3 1050 1610 230 NUTR130230XS/YAD 173 146 23.5
    130 230 120 120 4 3 880 1550 230 NUTR130230XS 186.5 130 23.6
    120 290 135 133 3 2 880 1600 260 NNTR120-2Z 157 143 50.9
    110 260 115 113 4 2 775 1350 240 NNTR110-2ZL 143 133 35.6
    110 250 100 100 3 1.1×45° 380 695 250 NNTR110 132 124 27.3
    110 240 190 180 4 3 1260 2720 260 NNTR110X3-2ZL 142 134 49.1
    110 200 60 58 4 1.5×45° 500 760 300 NUTR110 200 160.9 126 8.93
    105 280 135 135 2 2 1040 1800 320 NNTRP105R-2ZL/S2YA2 152.4 142 44.2
    100 250 106 103 5 1.5×45° 680 1020 350 NNTR100-2ZL/HCO 180 105 30.1
    100 300 82 80 1.5 1×45° 710 1220 350 NNTR100-1/C9 152 134 36.7
    3
    3
    Basic dimensions mm Bearing part number Basic load ratings kN Weight kg Figure
    d D B C r1min rmin F Bearing part number Cr Cor Weight Figure
    258 520 160 160 1 3 258 BNPF41104160 2480 4150 207 图十四
    215 550 205 200 1.1 1.1 SJ-NNUP215-XRS 2600 4500 293 图十二
    180 406.42 171.04 171.04 1.5 4 BNPF3680170X3 2070 3850 128 图四
    180 410 240 220 1.1 1.1 SJ-TCNP180-2 2500 4950 170 图十三
    180 406.6 181 179 2.5 1.1 222 SJ-TCNP180-XRS-1 1800 3300 133 图七
    180 406.42 224 1.5 4 217.3 SJ-TCNB180X2 2640 5250 171 图四
    180 406.42 224 222 2.5 1.1 222 SJ-TCNP180-XRS-3 2200 4300 166 图七
    180 406.42 171 169 2.5 1.1 222 SJ-TCNP180-XRS-2 1700 3100 124 图七
    180 406.42 182 179 2.5 1.1 222 SJ-TCNP180-XRS 1740 3200 133 图七
    180 406.42 171.04 1.5 4 217.3 SJ-TCNB180-PX 2360 4050 130 图四
    180 406.42 171.04 1.5 4 217.3 SJ-TCNB180-1 2360 4050 130 图四
    180 406.42 171.04 1.5 4 217.3 SJ-TCNB180 2360 4050 130 图四
    180 406.42 171.04 1.5 10×15° 217 SJ-NNJ180-2RS 1450 2770 125 图八
    130 300.2 170 168 2.5 1.1 158.455 SJ-TCNP130-XRS 1300 2230 68.5 图七
    130 300.02 172.65 171.6 3.1 2 156 SJ-NNUP130-2ZL-1 1450 2430 69.8 图二
    130 300.02 172.65 171.6 2.5 2.5 156 SJ-NNUP130-2ZL 1450 2430 70.1 图二
    130 300.02 132 129 3.1 2 156 SJ-NNUP130 1090 1820 53.8 图六
    130 300 172.644 2.5 2.5 161 SJ-TCNB130-3 1480 2810 72 图四
    130 300 172.664 2.5 2.5 158.7 SJ-TCNB130-1 1510 2790 72.9 图四
    130 300 172.64 2.5 3 159.5 SJ-TCNB130-5 1480 2720 72.3 图四
    130 300 172.64 2.7 2 159.455 SJ-TCNB130-4 1880 2940 73.6 图四
    130 300 172.64 4 2.5 159.455 SJ-TCNB130-2 1880 2940 73.6 图四
    130 300 172.64 4 2.5 158.455 SJ-TCNB130/WN26 1720 2670 72.2 图四
    130 300 172.64 4 2.5 158.455 SJ-TCNB130 1720 2670 72.3 图四
    130 300 172 172 1 2 159.3 BNPF2660172 1500 2740 71.1 图四
    130 300.02 132 129 2 2 156 SJ-NNFP130X2 1100 1860 53.1 图三
    130 300 172.64 172.64 4 2 158.45 SJ-NNFP130 1390 2500 69.6 图三
    130 300 172.664 172.661 6 10×15° 157 SJ-NNJ130-2RS 1320 2210 68.9 图八
    100 225 100 95 1 1.2 119.5 BNPF2045100 520 795 21.6 图十五
    60 150 75 73 1 1.2 75 BNPF123075-2RZ-1 270 390 7.85 图二
    60 150 75 73 1 0.8 75 BNPF123075-2RZ 270 390 7.85 图二
    55 126 64 63.2 2 0.5×45° 69 BNPF112564X1-2RZ 172 260 4.53 图二
    55 120 52 51.2 1.2 0.8 65 SJ-NNUPTR3311X2/HCOC9 165 225 3.21 图十五
    51 98.4 60 54 2 0.5×45° 61.14 BNPF102060X1V-2RZ 170 250 2.25 图一
    51 98.4 60 54 2 0.5×45° 61.14 BNPF102060X1-2RZ 154 270 4.53 图一
    50 110 32 30 2 1 57.3 SJ-NUTR50110-2RZ/HCO 108 173 1.7 图十七
    40 105 48 46 1 1 51 SJ-NUPT608Q1/HCO 114 148 2.43 图十六
    35 110 40 39 1 1.5 45 SJ-NNUPTR2047X3/HCO 83 100 2.46 图六
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    Basic dimensions mm Basic load ratings kN Limit Rotational Speed rmin Bearing part number Other dimensions mm Contact surface and chamfer dimensions mm Weight kg
    d D B r1min rmin E Cr Cor Grease lubrication Oil lubrication Bearing part number d1 D1 b k damin Damax ramax Weight
    670 1090 412 7.5 7.5 774 13700 25300 175 220 NNU41/670/HCW33 948 23.5 12 700 1060 6 1530
    630 850 218 6 6 795 5000 13400 230 290 NNCL49/630V/W33 710 22.3 12 646 826 5 351
    560 820 400 6 6 771 9810 23200 260 320 NNCL50/560X2V/HCC9T 651 590 790 5 578
    560 820 258 6 6 762 6850 15600 260 320 NNCL40/560V/W33 652 22.3 12 574 806 5 451
    480 650 170 5 5 605 3100 8000 370 460 NNCF4996V 538 588 500 630 4 163
    480 600 118 3 3 567 2000 5750 370 460 NNCS4896V/W33 529 20.5 12 500 588 2.5 78.4
    460 580 118 3 3 544 1740 5480 390 485 NNCS4892V/W33 506 20.5 12 474 560 2.5 75.5
    440 600 160 4 4 563.5 2630 6400 NNCL4988V/W33 503 10 5 453 587 4 128
    440 600 160 4 4 563.5 2630 6400 NNCL4988V/HG2YB4W33D 503 10 5 453 587 4 128
    420 520 100 2.1 2.1 493 1675 4950 455 560 NNCL4884V/C9W33X 456 10 8 428 509 2 48.4
    380 540 260 4 4 508 4150 9840 470 580 NNCL5076X3V/HCC9T 436 396 524 3 154
    340 520 133 5 5 476.4 2380 4790 NNF3068V/C91YB2 404 459 356 504 6 101
    340 520 133 5 5 476.4 2380 4790 NNF3068V/C9 404 459 356 504 6 101
    300 420 118 3 3 390.2 1445 3300 660 820 NNCF4960V/C3 343 381 314 412 2.5 49.3
    300 380 80 2.1 2.1 358.5 850 2200 720 890 NNCL4860V 327.5 351.5 12 5 312 369 2 21
    280 420 190 4 4 391.5 2810 5600 690 850 NNCF5056V/YA2 323 375 9.4 5 296 403 3 89.4
    280 420 190 4 4 391.5 2810 5600 690 850 NNCF5056V 323 375 9.4 5 296 403 3 89.4
    260 400 190 4 4 366.2 2750 5000 740 920 FL-NNCF5052V/C3 304.6 351.8 9.4 5 276 384 3 85
    240 320 80 2.1 2.1 299.8 765 1800 930 1150 NNC4948V/C3 273 292 8 4 251 309 2 18.3
    220 300 80 2.1 2.1 276.8 710 1570 950 1180 NNCF4944V/C3 248 269 9.3 4 231 319 2 16.8
    190 290 136 2.1 2.1 269.6 1420 2500 1130 1400 NNCF5038V 199 231 9.5 4 200 280 2 32.5
    180 250 69 2 2 231 570 1200 1300 1600 NNCF4936V 206 224 8.66 4 190 240 2 10.3
    150 210 60 2 2 195 470 940 1200 1500 NNCD4930V 170 7 4 157 203 2 6.14
    140 210 95 2 195.5 780 1320 1700 2100 NNCF5028V 164.5 188.9 147 205 2 11.3
    130 180 50 1.5 1.5 169 305 640 1400 1800 NNCD4926V 151 6 3 135 175 1.5 3.86
    130 200 95 2 2 185 735 1200 1800 2240 NNCF5026V 156.2 177.8 7 4 140 191 2 10.8
    120 165 45 1.1 1.1 154.3 246 465 2140 2650 NNCD4924V 135.5 127 158 2.8
    120 165 45 1.1 1.1 154.3 246 465 2140 2650 NNCL4924V/W33 135.5 6 3.5 127 158 2.72
    110 260 110 1 1 132 1010 1500 1580 1950 NNFPL2422X3V/HAP59 184 116.5 238 1 34
    110 170 80 2 2 154.5 500 800 2200 2700 NNCF5022V 130 116.5 164 1 6.49
    90 140 67 1.5 1.5 130 360 550 2700 3350 NNCF5018V 106.5 124 106.5 133.5 1 3.68
    90 125 58 1.1 1.1 97.22 155 295 2900 3600 NUCL3918X2V/YA3DF 111.6 106.5 114 1 1.81
    89 125 58 1.1 1.1 97.22 155 295 2900 3600 NUCL6/89V/YA3DF 111.6 96.5 118.5 1 1.87
    85 130 60 1.1 1.1 121.4 308 455 3000 3700 NNCF5017V/W33 99.5 115.2 4 2 91.5 123.5 1 2.73
    80 125 60 1.1 1.1 115.6 295 440 3000 3800 NNCF5016V 96.4 110.8 5 3.5 85 120 1 2.65
    40 68 38 1 1 60.8 90 142 5840 7240 NNCF5008V/YB4 50.3 57.3 7 3 44 63 1 0.553
    40 68 38 0.6 0.8×30° 60.8 102 135 5840 7240 NNF5008CV 50.4 4.5 3 44 63 0.6 0.552
    40 68 38 1 0.8×30° 60.8 102 135 5840 7240 NNCF5008V 50.3 57.3 7 3 44 63 1 0.553
    40 68 38 0.6 0.8×30° 60.8 102 135 5840 7240 NNF5008V 50.3 44 63 0.6 0.553

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