The supporting roller has the thick-wall outer ring, by which the roller can be rolled directly at the rollway and withstand the large load. The supporting rollers made by our company include STO RSTO, NA22 …2RS,RN22…2RS, NATR NART…PP NATV NATV…PPNUTR NAST. Supporting Roller.
The curve roller is composed of a bolt, thrust collar outer ring, needle and cage assembly or full complement rolling body. It has the thick-wall outer ring with camber outside face, withstanding the high radial force.The curve rollers made by our company include KR, KRE, KRV, KRVE, NUKR and NUKRE. Model KR…PP,KRE…PP KRV…PP, KRVE…PP NUKR…PP cure roller.
Installation dimensions mm | Bearing type | ||||||||||
Arc roller rolls needle | Cylindrical roller rolls needle | Needle roller | |||||||||
D | d | C | B | G | B1 | KR | KRV | KR…X | KRV…X | NUKR | NUKR…X |
30 | 12 | 14 | 40 | 12×1.5 | 15.2 | KR30 | KRV30 | KR30X | KRV30X | NUKR30 | NUKR30X |
12 | 14 | 90 | 12×1.5 | 15.2 | KR30L | KRV30L | KR30XL | KRV30XL | |||
12 | 14 | 60 | 12×1.5 | 15.2 | KRV30XL1 | ||||||
12 | 14 | 55 | 12×1.5 | 15.2 | KRV30XL2 | ||||||
32 | 12 | 21.2 | 47 | 12×1.5 | 22 | KRV32V | |||||
12 | 21.2 | 47 | 12×1.5 | 22 | KRV32XL | ||||||
12 | 14 | 40 | 12×1.5 | 15.2 | KR32 | KRV32 | KR32X | KRV32X | NUKR32 | NUKR32X | |
14 | 17 | 48 | 14×1.5 | 18 | KR3214 | KRV3214 | KR3214X | KRV3214X | |||
35 | 16 | 18 | 52 | 16×1.5 | 19.5 | KR35 | KRV35 | KR35X | KRV35X | NUKR35 | NUKR35X |
16 | 18 | 55 | 16×1.5 | 19.6 | KRV35XL | ||||||
37 | 16 | 20 | 56 | 16×1.5 | 21 | KR3716 | KRV3716 | KR3716X | KRV3716X | ||
38 | 16 | 22 | 62 | 16×1.5 | 23 | KRV3816X | |||||
40 | 18 | 20 | 58 | 18×1.5 | 21.5 | KR40 | KRV40 | KR40X | KRV40X | NUKR40 | NUKR40X |
42 | 20 | 22 | 65 | 18×1.5 | 24 | KR4220 | KRV4220 | KR4220X | KRV4220X | ||
47 | 20 | 24 | 66 | 20×1.5 | 25.5 | KR47 | KRV47 | KR47X | KRV47X | NUKR47 | NUKR47X |
22 | 25 | 75 | 20×1.5 | 27 | KR4722 | KRV4722 | KR4722X | KRV4722X | |||
24 | 25 | 75 | 20×1.5 | 27 | KR4724 | KRV4724 | KR4724X | KRV4724X | |||
50 | 22 | 24 | 71 | 24×1.5 | 25.5 | KR50 | KRV50 | KR50X | KRV50X | NUKR50 | NUKR50X |
52 | 20 | 24 | 66 | 20×1.5 | 25.5 | KR52 | KRV52 | KR52X | KRV52X | NUKR52 | NUKR52X |
58 | 21 | 28 | 85 | 20×1.5 | 28.8 | KR5821 | KRV5821 | KR5821X | KRV5821X | ||
30 | 32 | 93 | 30×1.5 | 34 | KR5830 | KRV5830 | KR5830X | KRV5830X | |||
30 | 32 | 130 | 30×1.5 | 34 | KR5830L | KRV5830L | KR5830XL | KRV5830XL | |||
62 | 24 | 29 | 80 | 24×1.5 | 30.5 | KR62 | KRV62 | KR62X | KRV62X | NUKR62 | NUKR62X |
72 | 24 | 29 | 80 | 24×1.5 | 30.5 | KR72 | KRV72 | KR72X | KRV72X | NUKR72 | NUKR72X |
36 | 38 | 116 | 36×3 | 40 | KR7236 | KRV7236 | KR7236X | KRV7236X | |||
76 | 38 | 43.66 | 108.74 | 36×2 | 45.24 | KRV7638X | |||||
80 | 30 | 35 | 100 | 30×1.5 | 37 | KR80 | KRV80 | KR80X | KRV80X | NUKR80 | NUKR80X |
30 | 35 | 120 | 30×1.5 | 44 | KR80L | KRV80L | KR80XL | KRV80XL | |||
35 | 50.4 | 122 | 30×1.5 | 52 | KR8035 | KRV8035 | KR8035X | KRV8035X | |||
30 | 27 | 100 | 30×1.5 | 29 | NUKR80XL | ||||||
30 | 35 | 130 | 30×2 | 37 | KRV80EE | ||||||
85 | 30 | 35 | 100 | 30×1.5 | 37 | KR85 | KRV85 | KR85X | KRV85X | NUKR85 | NUKR85X |
42 | 46 | 135 | 42×3 | 48 | KR8542 | KRV8542 | KR8542X | KRV8542X | |||
42 | 46 | 125 | 42×3 | 48 | KR8542L | KRV8542L | KR8542XL | KRV8542XL | |||
86 | 24 | 29 | 80 | 24×1.5 | 30.6 | NUKR86K | NUKR86KX | ||||
89 | 36 | 50 | 128 | 36×3 | 52 | KR8936 | KRV8936 | KR8936X | KRV8936X | ||
90 | 30 | 35 | 100 | 30×1.5 | 37 | KR90 | KRV90 | KR90X | KRV90X | NUKR90 | NUKR90X |
30 | 35 | 232 | 30×1.5 | 37 | KR90L | KRV90L | KR90XL | KRV90XL | |||
40 | 35 | 150 | 30×1.5 | 37 | KRV9040X | ||||||
30 | 35 | 136 | 30×1.5 | 37 | KRV90E | KRV90EX | |||||
36 | 38 | 128 | 36×3 | 39 | KR9036 | KRV9036 | KR9036X | KRV9036X | |||
45 | 50 | 125 | 45×3 | 52 | KR9045 | KRV9045 | KR9045X | KRV9045X | |||
50 | 35 | 130 | 36×3 | 50 | KR9050 | KRV9050 | KR9050X | KRV9050X | |||
100 | 36 | 43 | 120 | 36×1.5 | 46 | KR100 | KRV100 | KR100X | KRV100X | NUKR100 | NUKR100X |
36 | 45 | 120 | 36×3 | 49 | KR10036 | KRV10036 | KR10036X | KRV10036X | |||
48 | 54 | 156 | 48×3 | 56 | KR10048 | KRV10048 | KR10048X | KRV10048X | |||
110 | 56 | 61 | 178 | 56×4 | 63 | KR11056 | KRV11056 | KR11056X | KRV11056X | ||
30 | 35 | 100 | 30×1.5 | 37 | KRV11030X | ||||||
120 | 42 | 50 | 140 | 42×1.5 | 53 | NUKR120 | NUKR120X | ||||
42 | 40 | 170 | 36×1.5 | 46 | NUKR120XL | ||||||
125 | 60 | 69 | 180 | 57×2.2 | 75.5 | KRV12560X | |||||
64 | 69 | 200 | 64×4 | 71 | KR12564 | KRV12564 | KR12564X | KRV12564X | |||
140 | 48 | 57 | 160 | 48×1.5 | 60 | NUKR140 | NUKR140X | ||||
72 | 76 | 222 | 72×3 | 80 | KR14072 | KRV14072 | KR14072X | KRV14072X | |||
149 | 60 | 69 | 102 | ∮64 | 71 | KR14960A | KRV14960A | KR14960XA | KRV1496X0A | Short end polished rod without thread | |
70 | 69 | 102 | ∮60 | 71 | JS9804.5 | ||||||
150 | 52 | 60 | 170 | 52×1.5 | 63 | NUKR150 | NUKR150X | ||||
160 | 56 | 63 | 180 | 56×3 | 37 | NUKR160 | NUKR160X | ||||
80 | 83 | 246 | 80×4 | 89 | KR16080 | KRV16080 | KR16080X | KRV16080X | |||
170 | 60 | 66 | 190 | 60×3 | 70 | NUKR170 | NUKR170X | ||||
180 | 64 | 72 | 200 | 64×3 | 76 | NUKR180 | NUKR180X | ||||
68 | 63 | 293 | 68×2 | 73 | RK180 | RK180X | |||||
190 | 80 | 99 | 262 | 80×4 | 102 | KR19080 | KRV19080 | KR19080X | KRV19080X | ||
80 | 100 | 458 | Coupling type no thread | 110 | KR19080T | KRV19080T | KR19080XT | KRV19080XT | |||
80 | 95 | 448 | 100 | KR19080TA | KRV19080TA | KR19080XTA | KRV19080XTA | ||||
80 | 100 | 465 | 110 | KR19080TB | KRV19080TB | KR19080XTB | KRV19080XTB | ||||
80 | 100 | 438 | 110 | KRV19080XTC | |||||||
80 | 100 | 475 | 110 | KRV19080XTD | |||||||
210 | 90 | 111 | 292 | 90×4 | 114 | KR21090 | KRV21090 | KR21090X | KRV21090X | ||
240 | 100 | 128 | 328 | 100×4 | 131 | KR240100 | KRV240100 | KR240100X | KRV240100X |
Model RNA22…2RS, NA22…2RS Supporting Roller
Double-seal Roller Needle Bearing without Inner Ring Model RN…2RS
Model RNA…2RS roller needle bearing has not inner ring and is equipped with double seal rings in both sides.it has a good dust-protection performance. Since the bearing has no inner ring, itis requested that the surface hardness and surface of shaft journal fitted with it be matched with bearing. The performance of this bearing is same as that of Model NA22…2RS.
If the surface of outer ring is cylinder face, the designation of bearing is RNA22…2RSX.
Double-seal Roller Needle Bearing with inner ring and without shoulder Model ”NA…2RS
Model NA…2RS roller needle bearing has not inner ring and shoulder and is equipped with double seal rings in both sides. it has a good dust-protection performance. Since the outer ring is roller type with thick wall,it has a better shock resistance.
If the surface of outer ring is cylinder face, the designation of bearing is NA22…2RSX.