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A bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled.
[Features]
・ It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.
・ Compact design is possible with the shaft directly as the raceway surface without using the inner ring.
・ The outer ring has a structure in which the needle roller and the retainer are not separated.
・ Retaining rings are not required for fixing in the axial direction by simply press-fitting into a rigid housing with an appropriate fit.
[Applications]
・ Heavy load, high speed, gearbox for automobiles, etc.
・ Steel equipment, mining / construction machinery, machine tools.
HK type, HMK type (Open-ended type)
HK, ZWD type (Open-ended type)
BK type (Closed end type)
BK ‥ ZWD type (Closed end type)
It is a bearing in which an outer ring is formed from a thin steel plate by precision drawing, the raceway surface is surface-hardened, and then a needle-shaped roller and a retainer are assembled (as for the part numbers with "M" in the suffix, they are heat treated after assembling). It has the smallest cross-sectional height of any bearing with an outer ring, enabling space reduction and cost savings.
Usually, a design is taken in which the shaft is directly used as the raceway surface without using the inner ring. The outer ring has a structure in which the needle-shaped roller and the retainers are not separated, and the bearing is easy to handle because it does not require a retaining ring to fix it in the axial direction, just by press-fitting it into a rigid housing with an appropriate fit.
Type | Compatible shaft diameter (mm) | Nominal Number | Composition and dimensions | Note | ||
---|---|---|---|---|---|---|
HK (HK・・T2) | Standard Series | Open End | ø3 to ø50 | HK0609T2 | Diameter of Inscribed Circle: ø6 Width dimensions: 9 T2: Resin retainer | Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use. Premium shell bearings have F in the suffix. See CATNO.3029 (Premium Shell Bearing) for details. Those with an M in the suffix are heat-treated products after assembly. (Pre-vent specifications) |
HK・・L | Open End One-sided seal | ø12 to ø50 | HK2018L/3AS | Diameter of Inscribed Circle: ø20 Width dimensions: 18 L: One-sided seal 3AS: Grease | The seal type (tailing symbol: L or LL) with a built-in synthetic rubber sealing seal on one side or both sides has lithium soap-based grease sealed inside. To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and within 100°C for continuous use. This type has a shorter roller length and a smaller rated load than the open type with the same dimensions. | |
HK・・LL | Open End Double-sided seal | ø12 to ø50 | HK2020LL/3AS | Diameter of Inscribed Circle: ø20 Width dimensions: 20 LL: Double-sided seal 3AS: Grease | ||
HK・・ZWD | Open End Double row type | ø15 to ø30 | HK2030ZWD | Diameter of Inscribed Circle: ø20 Width dimensions: 30 ZW: Retainer double row D: Outer ring lubrication hole | This type has a lubrication hole in the outer ring. | |
HMK (HMK・・T2) | Open End | ø8 to ø50 | HMK2015 | Diameter of Inscribed Circle: ø20 Width dimensions: 15 | Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use. | |
HMK・・L | Open End One-sided seal | ø8 to ø50 | HMK2018L/3AS | Diameter of Inscribed Circle: ø20 Width dimensions: 18 L: One-sided seal 3AS: Grease | The seal type (tailing symbol: L or LL) with a built-in synthetic rubber sealing seal on one side or both sides has lithium soap-based grease sealed inside. To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and within 100°C for continuous use. This type has a shorter roller length and a smaller rated load than the open type with the same dimensions. | |
HMK・・LL | Open End Double-sided seal | ø8 to ø50 | HMK2021LL/3AS | Diameter of Inscribed Circle: ø20 Width dimensions: 20 LL: Double-sided seal 3AS: Grease | ||
HMK・・ZWD | Open End Double row type | ø38 to ø50 | HK3845ZWD | Diameter of Inscribed Circle: ø38 Width dimensions: 45 ZW: Retainer double row D: Outer ring lubrication hole | This type has a lubrication hole in the outer ring. | |
BK (BK・・T2) | Closed End | ø3 to ø50 | BK2020C | Diameter of Inscribed Circle: ø20 Width dimensions: 20 C: Welding retainer | Since the suffix T2 uses a polyamide resin molding retainer, the allowable temperature should be 120°C, and 100°C or less for continuous use. | |
BK・・L | Closed End One-sided seal | ø12 to ø50 | BK2018L/3AS | Diameter of Inscribed Circle: ø20 Width dimensions: 18 L: One-sided seal 3AS: Grease | This seal type (suffix: L) has lithium soap-based grease sealed inside. To prevent deterioration of the seal and grease, the operating temperature should be -20 to 120°C, and continuous use should be within 100°C. | |
BK・・ZWD | Closed End Double row type | ø15 to ø30 | BK2030ZWD | Diameter of Inscribed Circle: ø20 Width dimensions: 30 ZW: Retainer double row D: Outer ring lubrication hole | This type has a lubrication hole in the outer ring. |
The permissible rotational speed is the permissible rotational speed that can be achieved based on the following assumptions.
Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Load Direction | Inner Dia. d (Ø) | Outer Dia. D (Ø) | Width B (mm) | Number of Raceway Ring Rows | Retainer Type | Basic Load Rating: Dynamic Load (N) | Sealing Structure | Lubricant | Format symbol | Holder Symbol | Specifications | Revolution Frequency (rpm) | Series | Case hardening (outer ring only) | Outer ring oil hole | Premium shell bearing | Post-assembly heat treatment (pre-bent type) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
142,968 VND | 1 Piece(s) | 10 Day(s) or more | - | Radial | 15 | 22 | 25 | Single Row | - | 18500 | NA | NA | HMK | - | Open End | 11000 | Heavy Load | Case hardening | NA | NA | NA | ||
160,342 VND | 1 Piece(s) | 9 Day(s) or more | - | Radial / Thrust | - | - | - | Single Row | - | 13,400 | NA | N/A | 7E-HMK | - | Open End | 7500 | Heavy duty | Case hardening | N/A | N/A | N/A | ||
186,026 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 26 | 34 | 16 | Single Row | - | 17100 | NA | NA | HMK | - | Open End | 6000 | Heavy Load | Case hardening | NA | NA | NA | ||
225,840 VND | 1 Piece(s) | 10 Day(s) or more | - | Radial | 32 | 42 | 20 | Single Row | - | 27500 | NA | NA | HMK | - | Open End | 5000 | Heavy Load | Case hardening | NA | NA | NA | ||
237,876 VND | 1 Piece(s) | 10 Day(s) or more | 10 | Radial | 32 | 42 | 30 | Single Row | - | 41500 | NA | NA | HMK | - | Open End | 5000 | Heavy Load | Case hardening | NA | NA | NA | ||
276,860 VND | 1 Piece(s) | 10 Day(s) or more | - | Radial | 40 | 50 | 20 | Single Row | - | 32500 | NA | NA | HMK | - | Open End | 4000 | Heavy Load | Case hardening | NA | NA | NA | ||
283,096 VND | 1 Piece(s) | 4 Day(s) or more | - | Radial | 40 | 50 | 25 | Single Row | - | 41000 | NA | NA | HMK | - | Open End | 4000 | Heavy Load | Case hardening | NA | NA | NA | ||
301,808 VND | 1 Piece(s) | 12 Day(s) or more | 10 | Radial | 50 | 62 | 12 | Single Row | - | 18200 | NA | NA | HMK | - | Open End | 3200 | Heavy Load | Case hardening | NA | NA | NA | ||
318,961 VND | 1 Piece(s) | 10 Day(s) or more | - | Radial | 50 | 62 | 15 | Single Row | - | 25900 | NA | NA | HMK | - | Open End | 3200 | Heavy Load | Case hardening | NA | NA | NA | ||
339,231 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 50 | 62 | 25 | Single Row | - | 48000 | NA | NA | HMK | - | Open End | 3200 | Heavy Load | Case hardening | NA | NA | NA | ||
88,785 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 4 | 8 | 8 | Single Row | Resin Forming | 1770 | NA | NA | BK | T2 (Polyamide Resin Forming Holder) | Closed End | 30000 | Standard | NA | NA | NA | NA | ||
92,001 VND | 1 Piece(s) | Same day | 10 | Radial | 5 | 9 | 9 | Single Row | - | 2640 | NA | NA | BK | - | Closed End | 27000 | Standard | NA | NA | NA | NA | ||
82,410 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 6 | 10 | 9 | Single Row | Resin Forming | 2660 | NA | NA | BK | T2 (Polyamide Resin Forming Holder) | Closed End | 25000 | Standard | NA | NA | NA | NA | ||
82,410 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | 7 | 11 | 9 | Single Row | - | 3400 | NA | NA | BK | - | Closed End | 23000 | Standard | NA | NA | NA | NA | ||
46,340 VND | 1 Piece(s) | Same day | 10 | Radial | 10 | 14 | 10 | Single Row | - | 4500 | NA | NA | BK | - | Closed End | 16000 | Standard | NA | NA | NA | NA | ||
90,406 VND | 1 Piece(s) | 4 Day(s) or more | 10 | Radial | 10 | 14 | 12 | Single Row | - | 5900 | NA | NA | BK | - | Closed End | 16000 | Standard | NA | NA | NA | NA | ||
51,840 VND | 1 Piece(s) | Same day | 10 | Radial | 10 | 14 | 15 | Single Row | - | 7100 | NA | NA | BK | - | Closed End | 16000 | Standard | NA | NA | NA | NA | ||
87,191 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | 12 | 16 | 10 | Single Row | - | 5050 | NA | NA | BK | - | Closed End | 13000 | Standard | NA | NA | NA | NA | ||
55,500 VND | 1 Piece(s) | Same day | 10 | Radial | 15 | 21 | 16 | Single Row | - | 10700 | NA | NA | BK | - | Closed End | 11000 | Standard | NA | NA | NA | NA | ||
106,315 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 18 | 24 | 16 | Single Row | - | 11800 | NA | NA | BK | - | Closed End | 8500 | Standard | NA | NA | NA | NA | ||
112,690 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 20 | 26 | 16 | Single Row | - | 13000 | NA | NA | BK | - | Closed End | 8000 | Standard | NA | NA | NA | NA | ||
89,438 VND | 1 Piece(s) | Same day | 10 | Radial | 3 | 6.5 | 6 | Single Row | Resin Forming | 925 | NA | NA | HK | T2 (Polyamide Resin Forming Holder) | Open End | 33000 | Standard | NA | NA | NA | NA | ||
138,310 VND | 1 Piece(s) | Same day | - | Radial | 4 | 8 | 8 | Single Row | Resin Forming | 1770 | NA | NA | HK | T2 (Polyamide Resin Forming Holder) | Open End | 30000 | Standard | NA | NA | NA | NA | ||
65,500 VND 45,195 VND | 1 Piece(s) | Same day | 10 | Radial | 6 | 10 | 9 | Single Row | - | 2920 | NA | NA | HK | - | Open End | 37000 | Standard | NA | NA | Available | Available | ||
44,615 VND | 1 Piece(s) | Same day | - | Radial | 6 | 10 | 9 | Single Row | Resin Forming | 2660 | NA | NA | HK | T2 (Polyamide Resin Forming Holder) | Open End | 25000 | Standard | NA | NA | NA | NA | ||
71,801 VND | 1 Piece(s) | Same day | - | Radial | 7 | 11 | 9 | Single Row | - | 3400 | NA | NA | HK | - | Open End | 23000 | Standard | NA | NA | NA | NA | ||
135,271 VND | 1 Piece(s) | Same day | 10 | Radial | 8 | 12 | 10 | Single Row | - | 3850 | NA | NA | HK | - | Open End | 30000 | Standard | NA | NA | NA | NA | ||
127,820 VND | 1 Piece(s) | Same day | 10 | Radial | 8 | 12 | 10 | Single Row | Weld Shape | 3850 | NA | NA | HK | C (Weld Holder) | Open End | 20000 | Standard | NA | NA | NA | NA | ||
93,010 VND | 1 Piece(s) | 7 Day(s) or more | 10 | Radial | 9 | 13 | 10 | Single Row | - | 4300 | NA | NA | HK | - | Open End | 27000 | Standard | NA | NA | NA | NA | ||
76,813 VND | 1 Piece(s) | 4 Day(s) or more | - | Radial | 9 | 13 | 12 | Single Row | - | 5650 | NA | NA | HK | - | Open End | 18000 | Standard | NA | NA | NA | NA | ||
43,500 VND | 1 Piece(s) | Same day | - | Radial | 10 | 14 | 10 | Single Row | - | 4500 | NA | NA | HK | - | Open End | 16000 | Standard | NA | NA | NA | NA | ||
75,920 VND | 1 Piece(s) | Same day | - | Radial | 10 | 14 | 12 | Single Row | - | 5900 | NA | NA | HK | - | Open End | 16000 | Standard | NA | NA | NA | NA | ||
36,250 VND | 1 Piece(s) | Same day | - | Radial | 10 | 14 | 15 | Single Row | - | 7100 | NA | NA | HK | - | Open End | 16000 | Standard | NA | NA | NA | NA | ||
133,755 VND | 1 Piece(s) | Same day | - | Radial | 12 | 16 | 10 | Single Row | - | 5050 | NA | NA | HK | - | Open End | 13000 | Standard | NA | NA | NA | NA | ||
43,500 VND | 1 Piece(s) | Same day | - | Radial | 12 | 18 | 12 | Single Row | - | 6600 | NA | NA | HK | - | Open End | 13000 | Standard | NA | NA | NA | NA | ||
78,133 VND 68,757 VND | 1 Piece(s) | Same day | 10 | Radial | 12 | 18 | 12 | Single Row | - | 6600 | NA | NA | HK | - | Open End | 20000 | Standard | NA | NA | Available | Available | ||
108,507 VND | 1 Piece(s) | 12 Day(s) or more | - | Radial | - | - | - | Single Row | - | - | Double-sided seal type | Available | HK | - | Open End Double-sided Seal | 13000 | Standard | N/A | N/A | N/A | N/A | ||
81,346 VND | 1 Piece(s) | 8 Day(s) | - | Radial | 13 | 19 | 12 | Single Row | - | 6950 | NA | NA | HK | - | Open End | 12000 | Standard | NA | NA | NA | NA | ||
91,203 VND | 1 Piece(s) | 8 Day(s) | 10 | Radial | 14 | 20 | 12 | Single Row | - | 7200 | NA | NA | HK | - | Open End | 11000 | Standard | NA | NA | NA | NA | ||
46,340 VND | 1 Piece(s) | Same day | - | Radial | 14 | 20 | 12 | Single Row | - | 7200 | NA | NA | HK | - | Open End | 11000 | Standard | NA | NA | Available | Available | ||
99,277 VND | 1 Piece(s) | 9 Day(s) or more | - | Radial | - | - | - | Single Row | - | - | One-sided Seal Type | Available | HK | - | Open End One-sided Seal | 11000 | Standard | N/A | N/A | N/A | N/A | ||
92,798 VND | 1 Piece(s) | 4 Day(s) or more | - | Radial | 14 | 20 | 16 | Single Row | - | 10700 | NA | NA | HK | - | Open End | 11000 | Standard | NA | NA | NA | NA | ||
73,560 VND | 1 Piece(s) | Same day | - | Radial | 15 | 21 | 12 | Single Row | - | 7500 | NA | NA | HK | - | Open End | 11000 | Standard | NA | NA | NA | NA | ||
102,472 VND | 1 Piece(s) | 10 Day(s) or more | - | Radial | - | - | - | Single Row | - | - | One-sided Seal Type | N/A | HK | - | Open End One-sided Seal | 11000 | Standard | N/A | N/A | N/A | N/A | ||
96,340 VND | 1 Piece(s) | 5 Day(s) | - | Radial | - | - | - | Single Row | - | - | One-sided Seal Type | Available | HK | - | Open End One-sided Seal | 11000 | Standard | N/A | N/A | N/A | N/A | ||
59,000 VND | 1 Piece(s) | 9 Day(s) | 10 | Radial | 15 | 21 | 16 | Single Row | - | 10700 | NA | NA | HK | - | Open End | 11000 | Standard | NA | NA | NA | NA | ||
112,718 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | 15 | 21 | 16 | Single Row | - | 10700 | Double-sided Seal Type | Available | HK | - | Open End Double-sided Seal | 16000 | Standard | NA | NA | NA | NA | ||
119,860 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | 15 | 21 | 22 | Double Row | - | 12900 | NA | NA | HK | - | Open End Multiple-Row Type | 11000 | Standard | NA | Available | NA | NA | ||
91,126 VND 76,546 VND | 1 Piece(s) | Same day | - | Radial | 16 | 22 | 12 | Single Row | - | 7750 | NA | NA | HK | - | Open End | 10000 | Standard | NA | NA | NA | NA | ||
94,753 VND 59,694 VND | 1 Piece(s) | Same day | - | Radial | 16 | 22 | 16 | Single Row | - | 11100 | NA | NA | HK | - | Open End | 10000 | Standard | NA | NA | NA | NA | ||
98,413 VND | 1 Piece(s) | 11 Day(s) | 10 | Radial | 16 | 22 | 16 | Single Row | - | 11100 | NA | NA | HK | - | Open End | 15000 | Standard | NA | NA | Available | NA | ||
109,783 VND | 1 Piece(s) | 6 Day(s) or more | 10 | Radial | 16 | 22 | 16 | Single Row | - | 7750 | Double-sided Seal Type | NA | HK | - | Open End Double-sided Seal | 10000 | Standard | NA | NA | NA | NA | ||
117,738 VND | 1 Piece(s) | 12 Day(s) or more | - | Radial | - | - | - | Single Row | - | 11100 | Double-sided seal type | Available | HK | - | Open End Double-sided Seal | 10000 | Standard | N/A | N/A | N/A | N/A | ||
119,845 VND 59,923 VND | 1 Piece(s) | Same day | - | Radial | 16 | 22 | 22 | Double Row | - | 13300 | NA | NA | HK | - | Open End Multiple-Row Type | 10000 | Standard | NA | Available | NA | NA | ||
55,670 VND | 1 Piece(s) | Same day | - | Radial | 18 | 24 | 12 | Single Row | - | 8300 | NA | NA | HK | - | Open End | 8500 | Standard | NA | NA | NA | NA | ||
97,525 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | - | - | - | Single Row | - | - | One-sided Seal Type | Available | HK | - | Open End One-sided Seal | 8500 | Standard | N/A | N/A | N/A | N/A | ||
101,346 VND | 1 Piece(s) | 4 Day(s) or more | - | Radial | 18 | 24 | 16 | Single Row | - | 11800 | NA | NA | HK | - | Open End | 8500 | Standard | NA | NA | NA | NA | ||
122,251 VND | 1 Piece(s) | 7 Day(s) or more | - | Radial | 18 | 24 | 16 | Single Row | - | 11800 | Double-sided Seal Type | Available | HK | - | Open End Double-sided Seal | 13000 | Standard | NA | NA | NA | NA | ||
263,270 VND | 1 Piece(s) | Same day | - | Radial | 20 | 26 | 12 | Single Row | - | 8750 | NA | NA | HK | - | Open End | 12000 | Standard | NA | NA | NA | NA | ||
55,670 VND | 1 Piece(s) | Same day | - | Radial | 20 | 26 | 12 | Single Row | Weld Shape | 9250 | NA | NA | HK | C (Weld Holder) | Open End | 8000 | Standard | NA | NA | NA | NA |
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Raceway Ring Shape | Needle Roller | Outer Ring | With Outer Ring | Inner/Outer Ring Material | Steel |
---|---|---|---|---|---|
Size Standards | Metric System | Specifications/Environment | Standard | Rolling Element Material | Steel |
Outer Ring Type | Flat |
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