Basic Info.
Model NO.
71918-2RZHQ1QBCP4
Aligning
Non-Aligning Bearing
Arrangement
dB, Dt, Df, Su
Transport Package
Box+Carton
Product Description
Product Description
Bearing No. 71918C-2RZHQ1QBCLP4-Angular contact ball bearing-spindle ball bearing
Technical Data
Inside Ø (mm): | 90 |
Outside Ø (mm): | 125 |
Width (mm): | 18 |
Tolerance for inside-Ø (mm): | 0/-0,008 |
Tolerance for outside-Ø (mm): | 0/-0,009 |
Tolerance for width (mm): | 0/-0,15 |
Tolerance for shaft da (mm): | 0,30/-0,30 |
Contact Angle: | 15° |
Rows Of Balls: | single row |
Seal: | 2RZ |
Ring Material: | GCr15, 100Cr6, SUJ2 |
Rolling Element Material: | Si3N4 |
Cage Material: | Phenolic Resin |
Tolerance Class: | P4S |
Lubrication: | oil |
Type of lubrication: | grease |
Product weight: | 0.560 kg |
Features
- it is suitable for high radial and axial loads in one direction
- it has also an axial load carrying capacity on both sides in the X- or O-arrangement in pairs
- accuracy grade: P4S (main dimensions at least according to ISO-tolerance class 4)
- all running tolerances are classified according to ISO-tolerance class 2
- it is designed for a high running accuracy and high speeds with maximum rigidity and operational safety
- seal: open design (without seal)
- Exchange:B71912-C-T-P4S, 71912CTA/P4S (CSC), 71912CTRP4 (NSK), 71912CD/P4A
- Application: electric spindle , wood carving machine, engraving machine, CNC router, CNC machine,machine tool spindle bearing, robot
Dimensions Type | Dimensions | Abutment dimension | Load rating | Speed value | Weight |
mm | mm | N | r/min | (kg) |
d | D | B | r(min) | r1(min) | Da | da | ra(max) | ra1(max) | Cr | Cor | Noil | Ngrease | |
H708C-2RZ | 8 | 22 | 7 | 0.3 | 0.3 | 19 | 10.5 | 0.3 | 0.1 | 1550 | 1100 | 140000 | 85000 | 0.01 |
H 71900C-2RZ | 10 | 22 | 6 | 0.3 | 0.3 | 18.5 | 13.3 | 0.3 | 0.1 | 2100 | 900 | 140000 | 85000 | 0.01 |
H71900AC-2RZ | 22 | 6 | 0.3 | 0.3 | 18.5 | 13.3 | 0.3 | 0.1 | 2000 | 900 | 120000 | 75000 | 0.01 |
H7000C-2RZ | 26 | 8 | 0.3 | 0.3 | 21.3 | 14.2 | 0.3 | 0.1 | 3400 | 1500 | 130000 | 80000 | 0.018 |
H7000AC-2RZ | 26 | 8 | 0.3 | 0.3 | 21.3 | 14.2 | 0.3 | 0.1 | 3300 | 1400 | 110000 | 67000 | 0.018 |
H71901C-2RZ | 12 | 24 | 6 | 0.3 | 0.3 | 20.3 | 15.1 | 0.3 | 0.1 | 2200 | 1100 | 130000 | 80000 | 0.011 |
H71901AC-2RZ | 24 | 6 | 0.3 | 0.3 | 20.3 | 15.1 | 0.3 | 0.1 | 2100 | 1100 | 110000 | 70000 | 0.011 |
H7001C-2RZ | 28 | 8 | 0.3 | 0.3 | 23.3 | 16.2 | 0.3 | 0.1 | 3800 | 1700 | 110000 | 70000 | 0.024 |
H7001AC-2RZ | 28 | 8 | 0.3 | 0.3 | 23.3 | 16.2 | 0.3 | 0.1 | 3600 | 1600 | 90000 | 60000 | 0.02 |
H71902C-2RZ | 15 | 28 | 7 | 0.3 | 0.3 | 24.5 | 18.3 | 0.3 | 0.1 | 3200 | 1700 | 110000 | 70000 | 0.015 |
H71902AC-2RZ | 28 | 7 | 0.3 | 0.3 | 24.5 | 18.3 | 0.3 | 0.1 | 3100 | 1600 | 90000 | 60000 | 0.015 |
H7002C-2RZ | 32 | 9 | 0.3 | 0.2 | 28 | 19.4 | 0.3 | 0.1 | 4400 | 2200 | 100000 | 67000 | 0.028 |
H7002AC-2RZ | 32 | 9 | 0.3 | 0.2 | 28 | 19.4 | 0.3 | 0.1 | 4200 | 2100 | 85000 | 56000 | 0.028 |
H71903C-2RZ | 17 | 30 | 7 | 0.3 | 0.3 | 26.8 | 20.6 | 0.3 | 0.1 | 3300 | 1800 | 100000 | 67000 | 0.017 |
H71903AC-2RZ | 30 | 7 | 0.3 | 0.3 | 26.8 | 20.6 | 0.3 | 0.1 | 3200 | 1700 | 85000 | 56000 | 0.017 |
H7003C-2RZ | 35 | 10 | 0.4 | 0.3 | 30.4 | 22 | 0.3 | 0.1 | 5200 | 2500 | 85000 | 56000 | 0.037 |
H7003AC-2RZ | 35 | 10 | 0.4 | 0.3 | 30.4 | 22 | 0.3 | 0.1 | 5000 | 2400 | 75000 | 50000 | 0.037 |
H71904C-2RZ | 20 | 37 | 9 | 0.3 | 0.3 | 33 | 24.5 | 0.15 | 0.15 | 5000 | 2900 | 80000 | 53000 | 0.036 |
H71904AC-2RZ | 37 | 9 | 0.3 | 0.3 | 33 | 24.5 | 0.15 | 0.15 | 4800 | 2700 | 67000 | 45000 | 0.036 |
H7004C-2RZ | 42 | 12 | 0.6 | 0.3 | 38 | 25.3 | 0.6 | 0.3 | 7400 | 3900 | 75000 | 50000 | 0.063 |
H7004AC-2RZ | 42 | 12 | 0.6 | 0.3 | 38 | 25.3 | 0.6 | 0.3 | 7000 | 3800 | 63000 | 43000 | 0.063 |
H71905C-2RZ | 25 | 42 | 9 | 0.3 | 0.3 | 38.5 | 30 | 0.3 | 0.15 | 5200 | 3400 | 70000 | 48000 | 0.041 |
H71905AC-2RZ | 42 | 9 | 0.3 | 0.3 | 38.5 | 30 | 0.3 | 0.15 | 4900 | 3300 | 60000 | 40000 | 0.041 |
H7005C-2RZ | 47 | 12 | 0.6 | 0.3 | 43.6 | 32.2 | 0.6 | 0.3 | 8400 | 4800 | 63000 | 43000 | 0.076 |
H7005AC-2RZ | 47 | 12 | 0.6 | 0.3 | 43.6 | 32.2 | 0.6 | 0.3 | 8000 | 4600 | 53000 | 36000 | 0.076 |
H71906C-2RZ | 30 | 47 | 9 | 0.3 | 0.3 | 43 | 35 | 0.3 | 0.15 | 5800 | 3800 | 63000 | 43000 | 0.047 |
H71906AC-2RZ | 47 | 9 | 0.3 | 0.3 | 43 | 35 | 0.3 | 0.15 | 5400 | 3600 | 53000 | 36000 | 0.047 |
H7006C-2RZ | 55 | 13 | 1 | 0.6 | 49.5 | 37 | 1 | 0.3 | 9500 | 6200 | 56000 | 38000 | 0.112 |
H7006AC-2RZ | 55 | 13 | 1 | 0.6 | 49.5 | 37 | 1 | 0.3 | 9000 | 5900 | 50000 | 34000 | 0.112 |
H71907C-2RZ | 35 | 55 | 10 | 0.6 | 0.3 | 49.4 | 40.8 | 0.6 | 0.15 | 7700 | 5400 | 53000 | 36000 | 0.075 |
H71907AC-2RZ | 55 | 10 | 0.6 | 0.3 | 49.4 | 40.8 | 0.6 | 0.15 | 7400 | 5100 | 45000 | 30000 | 0.075 |
H7007C-2RZ | 62 | 14 | 1 | 0.6 | 56 | 41.5 | 1 | 0.3 | 11200 | 7900 | 50000 | 34000 | 0.153 |
H7007AC-2RZ | 62 | 14 | 1 | 0.6 | 56 | 41.5 | 1 | 0.3 | 10700 | 7500 | 45000 | 30000 | 0.153 |
H71908C-2RZ | 40 | 62 | 12 | 0.6 | 0.3 | 56.7 | 45.3 | 0.6 | 0.15 | 9800 | 7000 | 45000 | 30000 | 0.109 |
H71908AC-2RZ | 62 | 12 | 0.6 | 0.3 | 56.7 | 45.3 | 0.6 | 0.15 | 9300 | 6600 | 40000 | 26000 | 0.109 |
H7008C-2RZ | 68 | 15 | 1 | 0.6 | 62.6 | 47.5 | 1 | 0.3 | 12500 | 9100 | 43000 | 28000 | 0.185 |
H7008AC-2RZ | 68 | 15 | 1 | 0.6 | 62.6 | 47.5 | 1 | 0.3 | 11100 | 8600 | 38000 | 24000 | 0.185 |
H71909C-2RZ | 45 | 68 | 12 | 0.6 | 0.3 | 62.2 | 50.8 | 0.6 | 0.15 | 10300 | 7700 | 40000 | 26000 | 0.128 |
H71909AC-2RZ | 68 | 12 | 0.6 | 0.3 | 62.2 | 50.8 | 0.6 | 0.15 | 9700 | 7300 | 36000 | 22000 | 0.128 |
H7009C-2RZ | 75 | 16 | 1 | 0.6 | 67.8 | 53 | 1 | 0.3 | 13100 | 10200 | 38000 | 24000 | 0.238 |
H7009AC-2RZ | 75 | 16 | 1 | 0.6 | 67.8 | 53 | 1 | 0.3 | 12500 | 9700 | 36000 | 22000 | 0.238 |
H71910C-2RZ | 50 | 72 | 12 | 0.6 | 0.3 | 66.7 | 55.3 | 0.6 | 0.15 | 13200 | 10000 | 36000 | 22000 | 0.129 |
H71910AC-2RZ | 72 | 12 | 0.6 | 0.3 | 66.7 | 55.3 | 0.6 | 0.15 | 12500 | 9500 | 32000 | 19000 | 0.129 |
H7010C-2RZ | 80 | 16 | 1 | 0.6 | 73.1 | 58 | 1 | 0.3 | 15400 | 12000 | 34000 | 20000 | 0.256 |
H7010AC-2RZ | 80 | 16 | 1 | 0.6 | 73.1 | 58 | 1 | 0.3 | 14700 | 11400 | 30000 | 18000 | 0.256 |
H71911C-2RZ | 55 | 80 | 13 | 1.0 | 0.3 | 74.5 | 61.8 | 0.6 | 0.3 | 16000 | 12600 | 32000 | 19000 | 0.181 |
H71911AC-2RZ | 80 | 13 | 1.0 | 0.3 | 74.5 | 61.8 | 0.6 | 0.3 | 15000 | 11900 | 26000 | 16000 | 0.181 |
H7011C-2RZ | 90 | 18 | 1.1 | 0.6 | 82.4 | 65.6 | 1 | 0.6 | 17000 | 14500 | 32000 | 19000 | 0.374 |
H7011AC-2RZ | 90 | 18 | 1.1 | 0.6 | 82.4 | 65.6 | 1 | 0.6 | 16000 | 13700 | 26000 | 17000 | 0.374 |
H71912C-2RZ | 60 | 85 | 13 | 1.0 | 0.3 | 79.5 | 66.8 | 0.3 | 0.3 | 16600 | 13800 | 30000 | 18000 | 0.195 |
H71912AC-2RZ | 85 | 13 | 1.0 | 0.3 | 79.5 | 66.8 | 0.3 | 0.3 | 15700 | 13100 | 24000 | 15000 | 0.195 |
H7012C-2RZ | 95 | 18 | 1.1 | 0.6 | 87.4 | 70.7 | 1 | 0.6 | 17000 | 15300 | 30000 | 18000 | 0.406 |
H7012AC-2RZ | 95 | 18 | 1.1 | 0.6 | 87.4 | 70.7 | 1 | 0.6 | 16200 | 14400 | 24000 | 15000 | 0.406 |
H71913C-2RZ | 65 | 90 | 13 | 1.0 | 0.3 | 84.5 | 71.8 | 0.6 | 0.3 | 16800 | 14500 | 28000 | 17000 | 0.207 |
H71913AC-2RZ | 90 | 13 | 1.0 | 0.3 | 84.5 | 71.8 | 0.6 | 0.3 | 16000 | 13700 | 24000 | 15000 | 0.207 |
H7013C-2RZ | 100 | 18 | 1.1 | 1.0 | 92.4 | 75.7 | 1.1 | 0.6 | 20200 | 18600 | 26000 | 16000 | 0.431 |
H7013AC-2RZ | 100 | 18 | 1.1 | 1.0 | 92.4 | 75.7 | 1.1 | 0.6 | 19000 | 17600 | 20000 | 13000 | 0.431 |
H71914C-2RZ | 70 | 100 | 16 | 1.0 | 0.3 | 93.4 | 78.5 | 0.6 | 0.3 | 20900 | 17800 | 26000 | 16000 | 0.346 |
H71914AC-2RZ | 100 | 16 | 1.0 | 0.3 | 93.4 | 78.5 | 0.6 | 0.3 | 19700 | 16900 | 20000 | 13000 | 0.346 |
H7014C-2RZ | 110 | 20 | 1.1 | 1.0 | 100.8 | 81.1 | 1.1 | 0.6 | 24100 | 21400 | 24000 | 15000 | 0.593 |
H7014AC-2RZ | 110 | 20 | 1.1 | 1.0 | 100.8 | 81.1 | 1.1 | 0.6 | 22600 | 20100 | 20000 | 13000 | 0.593 |
H71915C-2RZ | 75 | 105 | 16 | 0.6 | 0.3 | 98.8 | 84.7 | 0.6 | 0.3 | 21700 | 19300 | 24000 | 15000 | 0.35 |
H71915AC-2RZ | 105 | 16 | 0.6 | 0.3 | 98.8 | 84.7 | 0.6 | 0.3 | 20500 | 18200 | 20000 | 13000 | 0.35 |
H7015C-2RZ | 115 | 20 | 0.6 | 0.3 | 107 | 87.8 | 0.6 | 0.3 | 26200 | 25500 | 22000 | 14000 | 0.64 |
H7015AC-2RZ | 115 | 20 | 0.6 | 0.3 | 107 | 87.8 | 0.6 | 0.3 | 24700 | 24200 | 19000 | 12000 | 0.64 |
H71916C-2RZ | 80 | 110 | 16 | 0.6 | 0.3 | 104.6 | 89.4 | 0.6 | 0.3 | 22400 | 20800 | 22000 | 14000 | 0.37 |
H71916AC-2RZ | 110 | 16 | 0.6 | 0.3 | 104.6 | 89.4 | 0.6 | 0.3 | 21200 | 19600 | 19000 | 12000 | 0.37 |
H7016C-2RZ | 125 | 22 | 1.1 | 0.6 | 116.1 | 94.3 | 1.1 | 0.6 | 34200 | 32700 | 20000 | 13000 | 0.84 |
H7016AC-2RZ | 125 | 22 | 1.1 | 0.6 | 116.1 | 94.3 | 1.1 | 0.6 | 32300 | 31000 | 18000 | 11000 | 0.84 |
H71917C-2RZ | 85 | 120 | 18 | 0.6 | 0.6 | 112.9 | 96.2 | 0.6 | 0.6 | 26100 | 24200 | 20000 | 13000 | 0.54 |
H71917AC-2RZ | 120 | 18 | 0.6 | 0.6 | 112.9 | 96.2 | 0.6 | 0.6 | 24700 | 22900 | 18000 | 11000 | 0.54 |
H7017C-2RZ | 130 | 22 | 1.1 | 0.6 | 121.1 | 99.3 | 1.1 | 0.6 | 35000 | 35200 | 19000 | 12000 | 0.89 |
H7017AC-2RZ | 130 | 22 | 1.1 | 0.6 | 121.1 | 99.3 | 1.1 | 0.6 | 33000 | 33400 | 17000 | 10000 | 0.89 |
H71918C-2RZ | 90 | 125 | 18 | 0.6 | 0.6 | 117.9 | 101.2 | 0.6 | 0.6 | 27000 | 26000 | 20000 | 13000 | 0.56 |
H71918AC-2RZ | 125 | 18 | 0.6 | 0.6 | 117.9 | 101.2 | 0.6 | 0.6 | 25500 | 24600 | 18000 | 11000 | 0.56 |
H7018C-2RZ | 140 | 24 | 1.5 | 0.6 | 130.1 | 105.8 | 1.5 | 0.6 | 36400 | 38100 | 18000 | 11000 | 1.15 |
H7018AC-2RZ | 140 | 24 | 1.5 | 0.6 | 130.1 | 105.8 | 1.5 | 0.6 | 34300 | 36100 | 16000 | 9500 | 1.15 |
H71919C-2RZ | 95 | 130 | 18 | 0.6 | 0.6 | 122.9 | 106.2 | 0.6 | 0.6 | 27300 | 26900 | 19000 | 12000 | 0.59 |
H71919AC-2RZ | 130 | 18 | 0.6 | 0.6 | 122.9 | 106.2 | 0.6 | 0.6 | 25800 | 25400 | 18000 | 10000 | 0.59 |
H7019C-2RZ | 145 | 24 | 1.5 | 0.6 | 135.1 | 110.8 | 1.5 | 0.6 | 44400 | 45200 | 17000 | 10000 | 1.2 |
H7019AC-2RZ | 145 | 24 | 1.5 | 0.6 | 135.1 | 110.8 | 1.5 | 0.6 | 41900 | 42900 | 14000 | 8500 | 1.2 |
H71920C-2RZ | 100 | 140 | 20 | 0.6 | 0.6 | 132 | 112.8 | 0.6 | 0.6 | 40100 | 37600 | 18000 | 11000 | 0.8 |
H71920AC-2RZ | 140 | 20 | 0.6 | 0.6 | 132 | 112.8 | 0.6 | 0.6 | 37900 | 35500 | 15000 | 9000 | 0.8 |
H7020C-2RZ | 150 | 24 | 1.5 | 0.6 | 140.1 | 115.8 | 1.5 | 0.6 | 45400 | 48100 | 17000 | 10000 | 1.25 |
H7020AC-2RZ | 150 | 24 | 1.5 | 0.6 | 140.1 | 115.8 | 1.5 | 0.6 | 42700 | 44700 | 14000 | 8500 | 1.25 |
H71921C-2RZ | 105 | 145 | 20 | 0.6 | 0.6 | 137 | 117.8 | 0.6 | 0.6 | 40700 | 39100 | 17000 | 10000 | 0.83 |
H71921AC-2RZ | 145 | 20 | 0.6 | 0.6 | 137 | 117.8 | 0.6 | 0.6 | 38400 | 36900 | 14000 | 8500 | 0.83 |
H7021C-2RZ | 160 | 26 | 2.0 | 1.0 | 148.4 | 122.8 | 2.0 | 1.0 | 46100 | 49200 | 16000 | 9500 | 1.59 |
H7021AC-2RZ | 160 | 26 | 2.0 | 1.0 | 148.4 | 122.8 | 2.0 | 1.0 | 43300 | 46600 | 13000 | 8000 | 1.59 |
H71922C-2RZ | 110 | 150 | 20 | 0.6 | 0.6 | 142 | 122.8 | 0.6 | 0.6 | 41300 | 40500 | 15000 | 9500 | 0.86 |
H71922AC-2RZ | 150 | 20 | 0.6 | 0.6 | 142 | 122.8 | 0.6 | 0.6 | 39000 | 38300 | 12000 | 8000 | 0.86 |
H7022C-2RZ | 170 | 28 | 2.0 | 1.0 | 157.5 | 129.4 | 2.0 | 1.0 | 47900 | 53900 | 14000 | 9500 | 1.98 |
H7022AC-2RZ | 170 | 28 | 2.0 | 1.0 | 157.5 | 129.4 | 2.0 | 1.0 | 45100 | 51100 | 13000 | 8000 | 1.98 |
H71924C-2RZ | 120 | 165 | 22 | 0.6 | 0.6 | 156 | 134.3 | 0.6 | 0.6 | 43100 | 44900 | 14000 | 8500 | 1.18 |
H71924AC-2RZ | 165 | 22 | 0.6 | 0.6 | 156 | 134.3 | 0.6 | 0.6 | 40700 | 42400 | 12000 | 7500 | 1.18 |
H7024C-2RZ | 180 | 28 | 2.0 | 1.0 | 167.5 | 139.4 | 2.0 | 1.0 | 58300 | 64900 | 14000 | 8500 | 2.13 |
H7024AC-2RZ | 180 | 28 | 2.0 | 1.0 | 167.5 | 139.4 | 2.0 | 1.0 | 54800 | 61500 | 12000 | 7500 | 2.13 |
ApplicationCompany Profile
Established in 1995, as a leading ball bearing manufacturer in China, HXB offers more than 1,000 kinds of ball bearing to fulfill our customers' needs. With excellent production team and technical team, we can supply high quality products consistently.
After more than 20 years of development, HXB's main products involves deep groove ball bearings, angular contact ball bearings, high precision spindle bearings, etc. Our bearings are wildly used in electric motors, machinery tool spindle, CNC, NEVs and other fields.
Our production capacity:
deep groove ball bearings: 34 production lines, 30,000,000pcs per year
Angular contact ball bearings: 14 production lines 3,000,000pcs per year
Application fields: electric motors, pumps, textile machine, household appliance,machine tool spindle, CNC machine, healthcare industry, intelligence manufacturing etc.
Certificate: ISO16949:2016, ISO9001:2015
Our team
Address:
Yingbin Road, Nanyuan Street, Linping District, Hangzhou, Zhejiang, China
Business Type:
Manufacturer/Factory
Business Range:
Auto, Motorcycle Parts & Accessories, Industrial Equipment & Components, Manufacturing & Processing Machinery, Tools & Hardware
Management System Certification:
ISO 9001, IATF16949
Company Introduction:
Hangzhou Huaxing Kechuang Holding Group Co., Ltd(HXB) is well known as a high precision ball bearing manufacturers and low noise ball bearing suppliers in China. It was founded in 1995, through its nearly 30 years experience and permanent development, HXB now offers thousands of high quality and technology bearing types.
HXB mainly engaged in the R&D and production of high precision spindle bearings, electric motor bearings, servo motor bearings, ball screw support bearings, agricultural bearings and automobile bearings. Our bearings have characteristics that allow them to apply in various fields such as machine tools spindles, CNC center, CNC router, 3C industry, aerospace, servo motor, electric motor and etc.
As quality is the priority of HXB, we holds IATF16949, ISO9001 and other certifications.
We strive for excellence in all we do, not only in manufacturing. We put the same dedication and attention to detail into our relationships with customers as we do into our diverse product range, always aiming for the optimum quality.