High Precision/Speed Angular Contact Ball Bearing (shaft/axle bearing) 7220AC/Dt

Model NO.: 7220AC/DT
Warranty Period: 6 Month
Precision: P0, P6, P5, P4, P2
Certificate: ISO9001:2008
Feature: High Speed, High Precision
Production Experience: Since Year 1993
Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Large (200-430mm)
Trademark: LYHY
Transport Package: Wooden Box
Specification: ISO9001: 2008
Origin: China
HS Code: 848210300
Model NO.: 7220AC/DT
Warranty Period: 6 Month
Precision: P0, P6, P5, P4, P2
Certificate: ISO9001:2008
Feature: High Speed, High Precision
Production Experience: Since Year 1993
Rolling Body: Ball Bearings
The Number of Rows: Single
Outer Dimension: Large (200-430mm)
Trademark: LYHY
Transport Package: Wooden Box
Specification: ISO9001: 2008
Origin: China
HS Code: 848210300

High Precision/Speed Angular Contact Ball Bearing (shaft/axle bearing) 7220AC/Dt

Angular contact ball bearing/shaft bearing/axle bearing/paired bearing

1. Description
Angular contact ball bearing can bear radial and axial load simultaneously, and work in high speed. The bigger the contact angle, the higher the load capacity. Bearing with high precision and speed usually take 15 contact angle. In axial force, the contact angle will increase.
Single-row angular contact ball bearing: It can only carry axial load from single direction, and additional axial force will be caused when carry radial load, and the shaft and housing are only restricted moved in one direction.
Double-row angular contact ball bearing: If paired bearings are installed, make a pair of outer ring opposite, that is wide faces and narrow faces are opposite separately, which can avoid additional axial force, and also limit shaft and housing into the axial clearance range in two direction.
2. Structure
7000Ctype (=15° )
7000AC type (=25° )
7000B type (=40° )
3. Cage
Brass cage or synthetic resin cage
4. Features
Large rated load
Strong rigidity
Smoothly operation
Long life
High speed
High precision
5. Application
Single-row angular contact ball bearing
Spindle of lathe, motor with high frequence, gas turbine, centrifugal machine, front wheel of small auto, differential gear shaft
Two row angular contact ball bearing
Oil pump, roots blower, air compressor, all kinds of gear box, fuel injection pump,
Printing machinery


7220C/DT
7220AC/DT
7220B/DT
7320C/DT
7320AC/DT
7320B/DT
7020AC/TBT
7021C/DT
7021AC/DT
7221C/DT
7221AC/DT
7221B/DT


7220C/DB
7220AC/DB
7220B/DB
7320C/DB
7320AC/DB
7320B/DB
7021C/DB
7021AC/DB
7221C/DB
7221AC/DB
7221B/DB


7220C/DF
7220AC/DF
7220B/DF
7320C/DF
7320AC/DF
7320B/DF
7021C/DF
7021AC/DF
7221C/DF
7221AC/DF
7221B/DF


7022C/DB
7022AC/DB
7022AC/TBT
B7022AC/TBT
7222C/DB
7222AC/DB
7222B/DB
7322AC/DB
7322B/DB
B7322AC/DB
7224C/DB
7224AC/DB
7224B/DB
Model Boundary Dimension Mounting Dimension Rated Load Limiting Speed Weight
New Old d D 2B rmin r1min da Da1 Da2 ra ra1 C C0 Grease Oil
Tanderm B to B F to F Tanderm B to B F to F mm mm Kn r/min kgs
7220C/DT 7220C/DB 7220C/DF 436220 236220 336220 100 180 68 2.1 1.1 112 168 173 2.1 1 242 254 2200 3000 6.5
7220AC/DT 7220AC/DB 7220AC/DF 446220 246220 346220 100 180 68 2.1 1.1 112 168 173 2.1 1 231 260 2200 3000 6.5
7220B/DT 7220B/DB 7220B/DF 466220 266220 366220 100 180 68 2.1 1.1 112 168 173 2.1 1 211 228 2200 3000 6.9
7320C/DT 7320C/DB 7320C/DF 436320 236320 336320 100 215 94 3 1.1 114 201 208 2.5 1 361 414 1800 2400 14.4
7320AC/DT 7320AC/DB 7320AC/DF 446320 246320 346320 100 215 94 3 1.1 114 201 208 2.5 1 348 398 1800 2400 16.9
7320B/DT 7320B/DB 7320B/DF 466320 266320 366320 100 215 94 3 1.1 114 201 208 2.5 1 309 354 1800 2400 15.5
7020AC/TBT X X X X X 100 150 72 1.5 0.6 109 141 145 1.5 1 138 199 X X X
7021C/DT 7021C/DB 7021C/DF 436121 236121 336121 105 160 52 2 1 115 150 154 2 1 144 183 2600 3400 3.2
7021AC/DT 7021AC/DB 7021AC/DF 446121 246121 346121 105 160 52 2 1 115 150 154 2 1 136 174 2600 3400 3.2
7221C/DT 7221C/DB 7221C/DF 436221 236221 336221 105 190 72 2.1 1.1 117 178 173 2.1 1 263 286 2000 2800 7.7
7221AC/DT 7221AC/DB 7221AC/DF 446221 246221 346221 105 190 72 2.1 1.1 117 178 173 2.1 1 252 274 2000 2800 7.7
7221B/DT 7221B/DB 7221B/DF 466221 266221 366221 105 190 72 2.1 1.1 117 178 173 2.1 1 232 258 2000 2800 8.2
Model Boundary Dimension Mounting Dimension Rated Load Limiting Speed Weight
New Old d D 2B rmin r1min da Da1 Da2 ra ra1 C C0 Grease Oil
Tanderm B to B F to F Tanderm B to B F to F mm mm Kn r/min kgs
7022C/DT 7022C/DB 7022C/DF 436122 236122 336122 110 170 56 2 1 120 160 164 2 1 174 216 2400 3400 4.92
7022AC/DT 7022AC/DB 7022AC/DB 446122 246122 346122 110 170 56 2 1 120 160 164 2 1 169 208 2400 3400 4.92
X 7022AC/TBT X X 946122Y X 110 170 84 2 1 120 160 164 2 1 224 312 2200 3200 7.38
X B7022AC/TBT X X 946122 X 110 170 84 2 1 120 160 164 2 1 224 312 2200 3200 7.38
7222C/DT 7222C/DB 7222C/DF 436222 236222 336222 110 200 76 2.1 1.1 122 188 193 2.1 1 286 342 1900 2600 9.1
7222AC/DT 7222AC/DB 7222AC/DF 446222 246222 346222 110 200 76 2.1 1.1 122 188 193 2.1 1 273 306 1900 2600 9.1
7222B/DT 7222B/DB 7222B/DF 466222 266222 366222 110 200 76 2.1 1.1 122 188 193 2.1 1 250 288 1900 2600 9.6
7322AC/DT 7322AC/DB 7322AC/DF 446322 246322 346322 110 240 100 3 1.1 124 226 233 2.5 1 411 504 1500 2200 19.6
7322B/DT 7322B/DB 7322B/DF 466322 266322 366322 110 240 100 3 1.1 124 226 233 2.5 1 367 450 1500 2200 20.6
X B7322AC/DB X X 546322 X 110 240 100 3 1.1 124 226 233 2.5 1 411 504 1100 2200 23.5
7224C/DT 7224C/DB 7224C/DF 436224 236224 336224 120 215 80 2.1 1.1 132 203 208 2.1 1 309 358 1700 2400 10.8
7224AC/DT 7224AC/DB 7224AC/DF 446224 246224 346224 120 215 80 2.1 1.1 132 203 208 2.1 1 294 367 1700 2400 10.8
7224B/DT 7224B/DB 7224B/DF 466224 266224 366224 120 215 80 2.1 1.1 132 203 208 2.1 1 268 322 1700 2400 12.3
7224B/QT X X 3-634 X X 120 215 160 4 2.5 132 203 208 2.1 1 436 644 1700 2400 24.5


High Precision/Speed Angular Contact Ball Bearing (shaft/axle bearing) 7220AC/Dt

Angular contact ball bearing/shaft bearing/axle bearing/paired bearing

1. Description
Angular contact ball bearing can bear radial and axial load simultaneously, and work in high speed. The bigger the contact angle, the higher the load capacity. Bearing with high precision and speed usually take 15 contact angle. In axial force, the contact angle will increase.
Single-row angular contact ball bearing: It can only carry axial load from single direction, and additional axial force will be caused when carry radial load, and the shaft and housing are only restricted moved in one direction.
Double-row angular contact ball bearing: If paired bearings are installed, make a pair of outer ring opposite, that is wide faces and narrow faces are opposite separately, which can avoid additional axial force, and also limit shaft and housing into the axial clearance range in two direction.
2. Structure
7000Ctype (=15° )
7000AC type (=25° )
7000B type (=40° )
3. Cage
Brass cage or synthetic resin cage
4. Features
Large rated load
Strong rigidity
Smoothly operation
Long life
High speed
High precision
5. Application
Single-row angular contact ball bearing
Spindle of lathe, motor with high frequence, gas turbine, centrifugal machine, front wheel of small auto, differential gear shaft
Two row angular contact ball bearing
Oil pump, roots blower, air compressor, all kinds of gear box, fuel injection pump,
Printing machinery


7220C/DT
7220AC/DT
7220B/DT
7320C/DT
7320AC/DT
7320B/DT
7020AC/TBT
7021C/DT
7021AC/DT
7221C/DT
7221AC/DT
7221B/DT


7220C/DB
7220AC/DB
7220B/DB
7320C/DB
7320AC/DB
7320B/DB
7021C/DB
7021AC/DB
7221C/DB
7221AC/DB
7221B/DB


7220C/DF
7220AC/DF
7220B/DF
7320C/DF
7320AC/DF
7320B/DF
7021C/DF
7021AC/DF
7221C/DF
7221AC/DF
7221B/DF


7022C/DB
7022AC/DB
7022AC/TBT
B7022AC/TBT
7222C/DB
7222AC/DB
7222B/DB
7322AC/DB
7322B/DB
B7322AC/DB
7224C/DB
7224AC/DB
7224B/DB
Model Boundary Dimension Mounting Dimension Rated Load Limiting Speed Weight
New Old d D 2B rmin r1min da Da1 Da2 ra ra1 C C0 Grease Oil
Tanderm B to B F to F Tanderm B to B F to F mm mm Kn r/min kgs
7220C/DT 7220C/DB 7220C/DF 436220 236220 336220 100 180 68 2.1 1.1 112 168 173 2.1 1 242 254 2200 3000 6.5
7220AC/DT 7220AC/DB 7220AC/DF 446220 246220 346220 100 180 68 2.1 1.1 112 168 173 2.1 1 231 260 2200 3000 6.5
7220B/DT 7220B/DB 7220B/DF 466220 266220 366220 100 180 68 2.1 1.1 112 168 173 2.1 1 211 228 2200 3000 6.9
7320C/DT 7320C/DB 7320C/DF 436320 236320 336320 100 215 94 3 1.1 114 201 208 2.5 1 361 414 1800 2400 14.4
7320AC/DT 7320AC/DB 7320AC/DF 446320 246320 346320 100 215 94 3 1.1 114 201 208 2.5 1 348 398 1800 2400 16.9
7320B/DT 7320B/DB 7320B/DF 466320 266320 366320 100 215 94 3 1.1 114 201 208 2.5 1 309 354 1800 2400 15.5
7020AC/TBT X X X X X 100 150 72 1.5 0.6 109 141 145 1.5 1 138 199 X X X
7021C/DT 7021C/DB 7021C/DF 436121 236121 336121 105 160 52 2 1 115 150 154 2 1 144 183 2600 3400 3.2
7021AC/DT 7021AC/DB 7021AC/DF 446121 246121 346121 105 160 52 2 1 115 150 154 2 1 136 174 2600 3400 3.2
7221C/DT 7221C/DB 7221C/DF 436221 236221 336221 105 190 72 2.1 1.1 117 178 173 2.1 1 263 286 2000 2800 7.7
7221AC/DT 7221AC/DB 7221AC/DF 446221 246221 346221 105 190 72 2.1 1.1 117 178 173 2.1 1 252 274 2000 2800 7.7
7221B/DT 7221B/DB 7221B/DF 466221 266221 366221 105 190 72 2.1 1.1 117 178 173 2.1 1 232 258 2000 2800 8.2
Model Boundary Dimension Mounting Dimension Rated Load Limiting Speed Weight
New Old d D 2B rmin r1min da Da1 Da2 ra ra1 C C0 Grease Oil
Tanderm B to B F to F Tanderm B to B F to F mm mm Kn r/min kgs
7022C/DT 7022C/DB 7022C/DF 436122 236122 336122 110 170 56 2 1 120 160 164 2 1 174 216 2400 3400 4.92
7022AC/DT 7022AC/DB 7022AC/DB 446122 246122 346122 110 170 56 2 1 120 160 164 2 1 169 208 2400 3400 4.92
X 7022AC/TBT X X 946122Y X 110 170 84 2 1 120 160 164 2 1 224 312 2200 3200 7.38
X B7022AC/TBT X X 946122 X 110 170 84 2 1 120 160 164 2 1 224 312 2200 3200 7.38
7222C/DT 7222C/DB 7222C/DF 436222 236222 336222 110 200 76 2.1 1.1 122 188 193 2.1 1 286 342 1900 2600 9.1
7222AC/DT 7222AC/DB 7222AC/DF 446222 246222 346222 110 200 76 2.1 1.1 122 188 193 2.1 1 273 306 1900 2600 9.1
7222B/DT 7222B/DB 7222B/DF 466222 266222 366222 110 200 76 2.1 1.1 122 188 193 2.1 1 250 288 1900 2600 9.6
7322AC/DT 7322AC/DB 7322AC/DF 446322 246322 346322 110 240 100 3 1.1 124 226 233 2.5 1 411 504 1500 2200 19.6
7322B/DT 7322B/DB 7322B/DF 466322 266322 366322 110 240 100 3 1.1 124 226 233 2.5 1 367 450 1500 2200 20.6
X B7322AC/DB X X 546322 X 110 240 100 3 1.1 124 226 233 2.5 1 411 504 1100 2200 23.5
7224C/DT 7224C/DB 7224C/DF 436224 236224 336224 120 215 80 2.1 1.1 132 203 208 2.1 1 309 358 1700 2400 10.8
7224AC/DT 7224AC/DB 7224AC/DF 446224 246224 346224 120 215 80 2.1 1.1 132 203 208 2.1 1 294 367 1700 2400 10.8
7224B/DT 7224B/DB 7224B/DF 466224 266224 366224 120 215 80 2.1 1.1 132 203 208 2.1 1 268 322 1700 2400 12.3
7224B/QT X X 3-634 X X 120 215 160 4 2.5 132 203 208 2.1 1 436 644 1700 2400 24.5

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