There are different types designated as NU, NJ, NUP, N, NF (for single-row bearings), NNU, and NN (for double-row bearings depending on the design or absence of side ribs).
The outer and inner rings of all types are separable.
Some cylindrical roller bearings have no ribs on either the inner or outer ring, so the rings can move axially relative to each other. These can be used as free-end bearings. Cylindrical roller bearings, in which either the inner or outer rings has two ribs and the other ring has one, are capable of taking some axial load in one direction Double-row cylindrical roller bearings have high radial rigidity and are used primarily for precision machine tools.
Pressed steel or machined brass cages are generally used, but sometimes molded polyamide cages are also used.
| Bearing number |
NJ2224 EM |
| Size (mm) |
120x215x58 |
| Brand |
AST |
| Bore Diameter (mm) |
120 |
| Outer Diameter (mm) |
215 |
| Width (mm) |
58 |
| Bearing Type |
NJ |
| Bore Dia (d) |
120.0000 |
| Outer Dia (D) |
215.0000 |
| Width (B) |
58.0000 |
| Radius (min) (rs) |
2.100 |
| Dynamic Load Rating (Cr) |
446,000 |
| Static Load Rating (Cor) |
609,000 |
| Max Speed (Grease) (X1000 RPM) |
2 |
| Max Speed (Oil) (X1000 RPM) |
3 |
| Max. Shaft Shoulder Dia. Inner (Li) |
143.5 |
| Min. Housing Shoulder Dia., Outer (Lo) |
195.5 |
| Weight (g) |
9,160.00 |
| Precision |
RBEC 1 |
| Standard Clearance |
C0 |
| Material |
52100 Chrome steel, or equival |
cylindrical roller bearings are available in many designs, series and sizes. The major design differences between the bearings presented in this section are in:
the number of roller rows (one, two or four)
the type of cage (with, without or special designs)
Bearings with a cage can accommodate heavy radial loads, rapid accelerations and high speeds.
Full complement bearings (without a cage) incorporate a maximum number of rollers and are therefore suitable for very heavy radial loads at moderate speeds.
SKF high-capacity cylindrical roller bearings combine the high load carrying capacity of a full complement bearing with the high speed capability of a bearing with cage.
the configuration of the inner and outer ring flanges (position and number of guide flanges)
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Basic static load rating (C0) ISO 52224 Cylindrical Roller Bearings
Bearing number:52224; Size (mm):120x170x68(mm); Brand:NACHI; Bore Diameter (mm):120(mm); Outer Diameter (mm):170(mm); Width (mm):68(mm); d:120 mm 4.7244 in; d2:100 mm 3.937 in; D:170 mm 6.6929 in; T:68 mm 2.6772 in; ra1 max.:1 mm 0.0394 in; T1:41.5 mm 1.6339 in; a:15 mm 0.5906 in; d3:170 mm 6.6929 in; r min.:1.1 mm 0.0433 in; r1 min.:1.1 mm 0.0433 in; D1:123 mm 4.8425 in; D2:145 mm 5.7087 in; D3:175 mm 6.8898 in; da min.:120 mm 4.7244 in; Da max.:140 mm 5.5118 in; ra max.:1 mm 0.0394 in; Weight:5.24 Kg; Basic dynamic load rating (C):152 kN; Basic static load rating (C0):470 kN; (Grease) Lubrication Speed:1200 r/min;
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Size (mm) NACHI 52224 Cylindrical Roller Bearings
Bearing number:NJ2224 EM; Size (mm):120x215x58(mm); Brand:AST; Bore Diameter (mm):120(mm); Outer Diameter (mm):215(mm); Width (mm):58(mm); Bearing Type:NJ; Bore Dia (d):120.0000; Outer Dia (D):215.0000; Width (B):58.0000; Radius (min) (rs):2.100; Dynamic Load Rating (Cr):446,000; Static Load Rating (Cor):609,000; Max Speed (Grease) (X1000 RPM):2; Max Speed (Oil) (X1000 RPM):3; Max. Shaft Shoulder Dia. Inner (Li):143.5; Min. Housing Shoulder Dia., Outer (Lo):195.5; Weight (g):9,160.00; Precision:RBEC 1; Standard Clearance:C0; Material:52100 Chrome steel, or equivalent;
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Bearing number:NJ2304; Size (mm):20x52x21; Brand:NSK; Bore Diameter (mm):20; Outer Diameter (mm):52; Width (mm):21; d:20 mm; Fw:28,5 mm; D:52 mm; B:21 mm; C:21 mm; r min.:1,1 mm; r1 min.:0,6 mm; da min.:26,5 mm; db max.:27 mm; db min:24 mm; ra max.:1 mm; rb max.:0,6 mm; Db max:45,5 mm; Weight:0,217
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Bearing number:NUP2222R; Size (mm):110x200x53; Brand:KOYO; Bore Diameter (mm):110; Outer Diameter (mm):200; Width (mm):53; d:110 mm; Fw:132.5 mm; D:200 mm; B:53 mm; C:53 mm; r min.:2.1 mm; r1 min.:2.1 mm; Weight:6.93 Kg; Basic dynamic load rating (C):384 kN; Basic static load rating (C0):517 kN; (Gr
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Bearing number:NU213-E-MA6; Size (mm):65x120x23; Brand:NKE; Bore Diameter (mm):65; Outer Diameter (mm):120; Width (mm):23; d:65 mm; F:78,5 mm; D:120 mm; B:23 mm; C:23 mm; r1 min.:1,5 mm; r2 min.:1,5 mm; r3 min.:1,5 mm; r4 min.:1,5 mm; S:1,4 mm; Weight:1,05 Kg; Basic dynamic load rating (C):121 kN; B
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Bearing number:NU3228; Size (mm):140x250x88; Brand:CX; Bore Diameter (mm):140; Outer Diameter (mm):250; Width (mm):88; d:140 mm; Fw:169 mm; D:250 mm; B:88 mm; C:88 mm; Weight:18,5 Kg; Basic dynamic load rating (C):604 kN; Basic static load rating (C0):939 kN; (Grease) Lubrication Speed:1900 r/min;
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Bearing number:F-90308.2; Size (mm):35x47x17; Brand:INA; Bore Diameter (mm):35; Outer Diameter (mm):47; Width (mm):17; d:35 mm; D:47 mm; C:17 mm; Category:Bearings; Inventory:0.0; Manufacturer Name:SCHAEFFLER GROUP; Minimum Buy Quantity:N/A; Weight / Kilogram:0.12; Product Group:B00234;
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Bearing number:NJ215E; Size (mm):75x130x25; Brand:NTN; Bore Diameter (mm):75; Outer Diameter (mm):130; Width (mm):25; d:75 mm; Fw:88,5 mm; D:130 mm; B:25 mm; C:25 mm; r min.:1,5 mm; r1 min.:1,5 mm; J:94,5 mm; Weight:1,41 Kg; Basic dynamic load rating (C):130 kN; Basic static load rating (C0):156 kN;
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Bearing number:NUP216; Size (mm):80x140x26; Brand:ISO; Bore Diameter (mm):80; Outer Diameter (mm):140; Width (mm):26; d:80 mm; D:140 mm; B:26 mm; C:26 mm;
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Bearing number:24068EK30; Size (mm):340x520x180; Brand:NACHI; Bore Diameter (mm):340; Outer Diameter (mm):520; Width (mm):180; d:340 mm; D:520 mm; B:180 mm; C:180 mm; r min.:5 mm; Weight:141 Kg; Basic dynamic load rating (C):4100 kN; Basic static load rating (C0):6050 kN; (Grease) Lubrication Speed:
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Bearing number:NP3221; Size (mm):105x190x65.1; Brand:CX; Bore Diameter (mm):105; Outer Diameter (mm):190; Width (mm):65,1; d:105 mm; D:190 mm; Ew:168,8 mm; B:65,1 mm; C:65,1 mm; Weight:8,99 Kg; Basic dynamic load rating (C):344 kN; Basic static load rating (C0):482 kN; (Grease) Lubrication Speed:260
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Bearing number:NUP1016; Size (mm):80x125x22; Brand:KOYO; Bore Diameter (mm):80; Outer Diameter (mm):125; Width (mm):22; d:80 mm; Fw:91.5 mm; D:125 mm; B:22 mm; C:22 mm; r min.:1.1 mm; r1 min.:1 mm; Weight:0.994 Kg; Basic dynamic load rating (C):69.3 kN; Basic static load rating (C0):86.4 kN; (Grease
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Bearing number:NNU4921-S-M-SP; Size (mm):105x145x40; Brand:FAG; Bore Diameter (mm):105; Outer Diameter (mm):145; Width (mm):40; d:105 mm; D:145 mm; B:40 mm; D1:130,8 mm; Da max:139 mm; da min:111 mm; ds:3,2 mm; F:118 mm; ns:6,5 mm; ra max:1 mm; rmin:1,1 mm; s:1,5 mm / Axial displacement fa; m:2,02 k
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Bearing number:NUP5219; Size (mm):95x170x55.56; Brand:CX; Bore Diameter (mm):95; Outer Diameter (mm):170; Width (mm):55,56; d:95 mm; Fw:113,5 mm; D:170 mm; B:55,56 mm; C:55,56 mm; Weight:5,95 Kg; Basic dynamic load rating (C):335 kN; Basic static load rating (C0):511 kN; (Grease) Lubrication Speed:3
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Bearing number:NJ309-E-TVP2; Size (mm):45x100x25; Brand:FAG; Bore Diameter (mm):45; Outer Diameter (mm):100; Width (mm):25; d:45 mm; D:100 mm; B:25 mm; D1:84,1 mm; Da max:91 mm; d1:64,4 mm; da max:57 mm; da min:54 mm; dc min:66 mm; F:58,5 mm; r1 min:1,5 mm; ra max:1,5 mm; rmin:1,5 mm; s:1 mm / Axial
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Bearing number:NJ1060; Size (mm):300x460x74; Brand:NTN; Bore Diameter (mm):300; Outer Diameter (mm):460; Width (mm):74; d:300 mm; Fw:340 mm; D:460 mm; B:74 mm; C:74 mm; r min.:4 mm; r1 min.:4 mm; J:356 mm; Weight:43,6 Kg; Basic dynamic load rating (C):855 kN; Basic static load rating (C0):1 340 kN;
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Bearing number:NNU4930; Size (mm):150x210x60; Brand:NACHI; Bore Diameter (mm):150; Outer Diameter (mm):210; Width (mm):60; d:150 mm; Fw:168,5 mm; D:210 mm; B:60 mm; C:60 mm; r min.:2 mm; Weight:5,95 Kg; Basic dynamic load rating (C):350 kN; Basic static load rating (C0):715 kN; (Grease) Lubrication
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Size (mm) |
| NJ309-E-TVP2 |
45 mm x 100 mm x 25 mm |
| NNU4921-S-M-SP |
105 mm x 145 mm x 40 mm |
| NUP5219 |
95 mm x 170 mm x 55,56 mm |
| NUP1016 |
80 mm x 125 mm x 22 mm |
| NUP216 |
80 mm x 140 mm x 26 mm |
| NJ215E |
75 mm x 130 mm x 25 mm |
| NUP2222R |
110 mm x 200 mm x 53 mm |
| NJ1060 |
300 mm x 460 mm x 74 mm |
| NNU4930 |
150 mm x 210 mm x 60 mm |
| NU3228 |
140 mm x 250 mm x 88 mm |
| F-90308.2 |
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| NJ2304 |
20 mm x 52 mm x 21 mm |
| NU213-E-MA6 |
65 mm x 120 mm x 23 mm |
| 24068EK30 |
340 mm x 520 mm x 180 mm |
| NP3221 |
105 mm x 190 mm x 65,1 mm |
| NJ1080 |
400 mm x 600 mm x 90 mm |
| NU2352-E-M6 |
260 mm x 540 mm x 165 mm |
| 250RF51 |
250 mm x 410 mm x 57 mm |
| NU2208-E-TVP3 |
40 mm x 80 mm x 23 mm |
| NA 4900.2RS |
10 mm x 22 mm x 14 mm |
| NF 418 |
90 mm x 225 mm x 54 mm |
| NJ2224-E-TVP2 |
120 mm x 215 mm x 58 mm |
| NJ306 E |
30 mm x 72 mm x 19 mm |
| R420-4 |
420 mm x 580 mm x 90 mm |
| NN3922MBKR |
110 mm x 150 mm x 30 mm |
| NUP 2315 E |
75 mm x 160 mm x 55 mm |
| NNCF4832-V |
160 mm x 200 mm x 40 mm |
| EE231462/232025 |
371,475 mm x 514,35 mm x 66,675 mm |
| NJ1064 |
320 mm x 480 mm x 74 mm |
| 319155 |
460 mm x 650 mm x 470 mm |
| NJ 2228 |
140 mm x 250 mm x 68 mm |
| NUP1036 |
180 mm x 280 mm x 46 mm |
| NCF2930 V |
150 mm x 210 mm x 36 mm |
| 93825/93126 |
209,55 mm x 317,5 mm x 63,5 mm |
| NJ2224 EM |
- |
| NU1030-E-MPA |
150 mm x 225 mm x 35 mm |